i fried 2 boxes with a booster-charger. It pushed the end seals out of the intake from all of the blow you but the 7al2 and the small coil still lit it off. Forget "0" timing. Many MSD systems (and similar ignition amplifiers) require a special tach adapter or even a special tach trigger in order to work with certain tachometers. Brian Spiker's 1994 Honda Accord EX is a true sleeper. That work continues today through Holley’s market-leading EFI products as well as through Holley’s family of best-in-industry brands. Shop with Afterpay on eligible items. " The cool part about this data is that points on the graph can be plotted to perform actions, like not allow the engine to hit overrev if the tires lose traction a second into the run. Have although i 've never heard of the coil, 2009 ; 8 9 10 view download. bbf drag I would start a new thread. I use stock Mustang battery cables and my MSD 7AL2 is mounted right next to it in the stock Mustang battery tray. This replacement will be my 4th MSD unit -- the first two I ran were 6A units (learned that going cheap doesn't work!) and I put this current (well. Car All steel except hood Racing seats up front keeping back seat 8 point cage All glass Any info I need to provide to make this better just tell. The analog box really has no "features" to speak of compared to the digital boxes. This problem started after I dropped a ratchet onto the 16 volt side of A Turbostart battery with the disconnect in the off position while putting on the wheelie bar. Never any sign of a problem. I purchased a Digital 6 box when they first came out. If there is an electronic throttle control fault the accelerator pedal may not respond. problem #1 , big deep moroso pan wont work, to close to the ground. A wiring diagram is often used to troubleshoot problems and to create sure that every the friends have been made and that all is present. To MSD 7al-2 or not to! #1 Post by sverbus » Mon Mar 29, 2010 5:19 pm I currently have a MSD 6al and a "start/retard control, high rpm retard" box and the coil that is made for the 6al system. This sets the initial timing which can later be adjusted using a timing light. 00, but you can get it done with the stock crank sensor. Every Ignition Has Two Sides. The System Controller can also be used with other MSD Ignitions such as the 7AL-2, MSD 8-Plus, and the Pro-Mag series. Parts Included: 1 - 7AL-3, PN 7230 1 - Parts bag (wires and connectors) 4 - RPM Modules 3000, 7000, 8000, 9000 4 - Retard Modules 2°, 3°, 4°, 4° 4 - Zero Degree Modules 4 - Vibration Mounts WarnIng: During installation, disconnect the battery cables. Shop with Afterpay on eligible items. A friend and I chased 7AL3 gremlins after switching from 6AL and 7AL2 boxes. 5 degree duty signal". ,(new)in box. Whether you're running nitrous, high rpm, high compression or methanol fuel, the 7AL-2 Plus has the power to light the fire! Available now in the ultra-slick. they used a carbon laced, fiberglass or Rayon filament with a single layer rubber coating. My wires are MSD 8. Share Twitt Share Pin Comment Twitt Share Pin. We found that we had to readjust rotor phase in order to make the car run right. Get the best deals for msd 7al2 plus at eBay. I heard to build the car to NHRA Heritage rules that they are pretty much the standard. Below 3,000 rpm the ignition delivers multiple sparks that will clean up the idle, improve starting and throttle response. ) ,just the old msd logo. For short duration racing, like drag racing, the MSD Pro Power Coil, PN 8201, is recommended. It hick-ups intermitantly like someone is quickly switching the ignition on and off. Figure 7 Wiring an MSD 7 Series Ignition with a Mag Pickup. Car is located in. Car is located in. msd 3 step wiring diagram schema diagram database. Tried sitting the engine down in the dragster before we took the iron heads off. If a ballast resistor was not used, it is not necessary to install one. The terminal strip on to determine which wiring diagram to. The problem with this is that you will burn out points (if equipped) much faster, since the coil’s current is passing through the points. After killing my MSD 6-Offroad box today I did a search and it appears that quite a few people are having problems with MSD ignition boxes, and there are people that haven't had any issues as well. Everybody seems to have made good stuff, way back,when! I did not ever have good service from mopar boxes on the race car, i had failures from orange, chrome and gold boxes. due to improper installation or poor connections. This is the solution that Jacob's, Universal, MSD, and other companies have decided to use. Save Share. That's why I always leave the module intact in case I have to bypass the msd on the side of the road some place. Rolling on factory rollers, and Honda hub caps and with a babyseat in the backseat, he surprises people when they learn that his Accord has a. msd grid tuning, Neisen said, "The Power Grid system using the MSD View Connect software provides the simplest tuning that MSD has ever offered. Both the controller and ignition box came out of a working car and did the same thing. Battery load tests fine and charges well. Currently business and engineering are mostly based out of a building that has been with the company for more than 20 years while the US. For street applications, the MSD Blaster 2, PN 8202, is recommended. 41 no speed reading and an rpm of 8200, that was her lock out number. So I tested the unilite module and it was bad, it was a constant voltage and didn't trigger. Stab Emission: Not in CaliforniaMade in USA. The CD circuits deliver full energy sparks to the plug throughout 14,000 rpm ensuring that even the most exotic fuel combinations are thoroughly ignited. After incorporating the two updates suggested by MSD, we took the '57 out to Pacific Raceways to confirm the results. Fortunately, most tachometers are capable of plugging directly into the MSD ignition control box with little trouble. where engineering and innovation meet. com/lbq8x4x MSD Ignition 8984 Starter Saver W/Sign. Troubleshooting MSD ® Ignition 6A, MSD ® Ignition 6AL, MSD ® Ignition 6T, MSD ® Ignition 6ALN, MSD ® Ignition 6TN, MSD ® Ignition HVC 6600, MSD ® Ignition 7AL-2. Print Friendly, PDF & Email. I do also have a msd box that still runs that is so old, it doesn't have a number designation (msd 5, 6al, 7al2 etc. This pre-caution ensures that if you have problems after installing the patch, you will be able to restore your current state from tape. That work continues today through Holley’s market-leading EFI products as well as through Holley’s family of best-in-industry brands. MSD 7AL-2 Plus have all the features of the standard 7AL-2 plus the addition of a two-step rev-control and a new diagnostic LED, these ignitions deliver their full power at any rpm. MSD 6AL new problems. Timing is 38* total and I have NEVER had an ignition problem in 4 years of running. MSD - For modified engines with a custom ignition curve, magnetic pickup, and that can be easily connected to a MSD ignition unit (5, 6AL, 7AL2/3, etc). Thanks The engine was running perfectly prior to getting spark through the MSD box. This was 3 and a half years ago. Today it has facilities with more than 100,000 square feet (9,300 m 2 ) between two buildings on the east side of the city. Cennina Castle Concert Programme - July & August 2019. 500 thou clearance. The MSD 7AL2 came from the late Scott Geoffrion's Pro Stock Dodge Daytona after Simon helped out the car's current owner, Matt Sawyer. new products that you ask for!. There may be a lot of rumors being passed around about problems. MSD 7AL2 BOX BILLET 85551 DISTRIBUTOR BLASTER 2 COIL -----CALL OR TEXT Fernbank Alabama Car parts View pictures. Make sure the ignition switch is in the Off position. 30s @ 2000 lbs here with a 7al2, ngk 10s gapped at. I had it installed with an MSD adaptor harness for the application. I have continuity between the MSD box and the coil + and coil - wires. If you talk with a MSD tech, they will tell you they heat up. Save Share. It didn't get cooler (95 degrees at 6 pm) and I didn't find the problem - so I set my shift light at 6200 (normally 7200-7300 on a 572-13 head motor) and dropped the slicks another 1/2 pound psi. I have used 7AL2's and Digital 7P's in daily drivers without problems. I doubt they'll fix the problem, but they're cheap and easy, regularly cause problems in these cars, and I'd just like the peace of mind to rule them out. For your dizzy, if you block the lazer beam with something; a credit card might be not opaque enough (I mean: non transparent - I'm not sure about my English here ), you should experience some drop in voltage on your dizzy terminals. - - - but this couldn't happen according to MSD. If this occurs, contact MSD Tech Line for the required bolt-in diode to correct the problem. 038 reaction time. Car also has an MSD 7AL2 box and a 2 step limiter. I do charge my battery about every 5 or 6 passes, but I also have a bunch of electrical items to run; big electric fuel pump (Holley 350), 2 electric fans (one 14" on the radiator and a 10" on the trans cooler), one electric fan in the car to blow air on the driver, MSD 7AL2 box, electric water pump drive, delay box, lights, tach etc. I have an MSD 7al-2 and a 7al-3. It is currently hooked up to a stock distributor. My wires are MSD 8. The powerful multiple sparks of the MSD 6A ensures complete combustion. Turn the ignition to the "On" position. The problem was made worse by using the turn signals. Forget "0" timing. i cant get it to run. One on the bottom of the rocker, one between the the door and fender on the "A" pillar, one on the cal, one on the firewall then several on the inner fender and several on the radiator core support. Get the best deals for msd 7al2 plus at eBay. I have 180 degree headers that come very near the valve covers - how is extreme heat on this system? #8. The MSD 7AL-3 can be used with a variety of coils, but to receive the best performance, it is. Ebbinghaus3 , Peter J. Which one will I. Badfender911 never elaborated on his issue. MSD 6A - 460-480V 2. Next day it will start, or sometime later. I've had MSD fail, mine just quit, nothing intermittent - I sent it back to them and they fixed it and sent it back. Installed an MSD box and L20 distributor that ran on a donor engine car years ago with a Master Blaster coil-crank no start. A rep at msd had me add amsd8830 noise capacitor in the feed line. by quattrors4 » Thu Jun 30, 2016 1:05 am 4 Replies 2111 Views. Electric vacuum pump for pan evacuation. slack fuse 3 amp to 12 volts wiring with msd 7al3 ignition fuse 3 amp to 12 volts fuse 15 amp sure to between terminals the of the see usc. MSD Ignition MSD Digital 6A Ignition Control PN: 6. When running the MSD system on a Mopar, a lot of problems can be eliminated by simply jumpering the IGN 1 and IGN 2 terminals on the ignition switch. 5mm and NGK plugs. MSDI GNI TI ON. have a 7al3 car is leaving like a pig normally 1. The MSD units amplify the spark in the cylinder! High cylinder pressures due to high amounts of boost tend to blow the spark away within the combustion chamber. Motor is a 30 over 360 with 343 pistons, MSD dist and 7al2 box, mild hyd cam, ported heads, headers, performer intake, predator carb, 3500 stall, 4:11 gears, 33" tires, and running vp 113 fuelin a 2700# cj7 4x4 running 150' mud drags. I doubt they'll fix the problem, but they're cheap and easy, regularly cause problems in these cars, and I'd just like the peace of mind to rule them out. By installing this Diode in-line of the wire that goes to the Charging indicator, the voltage is kept from entering the MSD. Every Ignition Has Two Sides. For over a century Holley has driven the cutting edge of fuel-system design. Note: An MSD cannot be used on vehicles with CD ignitions or distributorless ignition. a chiltons or hanyes repair book will tell u that it will run u 30 bucks at the most but it will be handy for any other problems that may come. 624 lift with a 248/258 duration actuates the 2. Includes BRAND NEW Denver emissions test. The ignition timing is 4 degrees before top dead center. Decimals powerpoint 4th gradeI've been running the MSD 6AL with non-vac Pro Billet dissy and blaster coil. Grounds: A poor ground connection can cause many frustrating problems. Never any sign of a problem. I've never seen this problem. BACKUP ALL OpenView DIRECTORIES TO TAPE. The problem with this is that you will burn out points (if equipped) much faster, since the coil’s current is passing through the points. 1050 DOMINATOR, ELEVTRIC FAN, MSD DISTRIBUTER, MSD 7AL2 BOX, MSD COIL, MSD MULTI STEP RETARD BOX, TRANNY IS A TURBO 400 WITH REVERSE MANUAL VALVE BODY AND TRANS BRAKE, FORD 9. The power wire is a #8 gauge wire to the Batt disconnect and the ground is also a #8 gauge. I just installed the box in my car today and I am having an issue with no spark. 65 Amp mini Alternator. Parts Included: 1 - 7AL-3, PN 7230 1 - Parts bag (wires and connectors) 4 - RPM Modules 3000, 7000, 8000, 9000 4 - Retard Modules 2°, 3°, 4°, 4° 4 - Zero Degree Modules 4 - Vibration Mounts WarnIng: During installation, disconnect the battery cables. 7220 1 - MSD Ignition MSD 7AL-2 Part No. Install just the MSD coil-started for a moment. (one 14" on the radiator and a 10" on the trans cooler), one electric fan in the car to blow air on the driver, MSD 7AL2 box, electric water pump drive, delay box, lights, tach etc. The Ignitions will deliver full voltage with a supply of 10. m s d i g n i t i o n. - don"t have any experience with the digital 7 and have not heard about any problems with it either. Condition: New. I work at a Ford Dealer with a couple really smart Driveability techs-head scratcher. Grounds: A poor ground connection can cause many frustrating problems. Everybody seems to have made good stuff, way back,when! I did not ever have good service from mopar boxes on the race car, i had failures from orange, chrome and gold boxes. , EL PASO, TEXAS 79936 • (915) 857-5200 • FAX (915) 857-3344 MSD Module Selectors Two Step, PN 8739 Three Step, PN 8737 Parts Included: 1 - Module Selector 4 - Mounting Screws Note: Do NOT use solid core spark plug wires with any MSD component. The MSD GMR inductive pickup i tried also generates a sine wave burst and gave the same noisy Racepak rpm trace as the MSD distributor tach output. Since the gap size has a direct effect on the voltage necessary to jump the gap and ionize (light) the air-fuel mixture, careful attention is required. The diagram below shows the proper installation for early Ford and GM vehicles. After the boxes made repeated trips back to Texas for repairs, (MSD kept saying they were OK when they received them. MSD 6-Series to GM HEI 4-pin Module NOTE: The GM Ignition Module is removed and replaced with the MSD PN 8861 Wire Harness. Ran like crap, so MSD said ship it back. Disconnect magnetic pickup IF USED (violet/green wires), install a spark tester into the coil wire, turn on the ignition, manually trigger the box by connecting the white wire of the MSD box to a good ground several times. I asked if he though it was the carb or ign problem and he stated for sure it was the MSD as it's pretty old. Cleaned the carb and put new accelerator pump pumps, power val. I'm not to sure what gap my friends set up was, but on his Mustang we're using LS1 coils on the Big Stuff w/LS1 CDI unit and didn't have enough spark. This sets the initial timing which can later be adjusted using a timing light. Joined Nov 14, 2006 · 1,481 Posts. favorite this post Feb 9 2-2016 komatsu PC490-11s 7080 hours excellent undercarriage 75" buckets. The spark was every bit as intense as the MSD 7AL2 in one of my other vehicles. For street applications or long duration racing events, the HVC Pro Power Coil, PN 8251 is recommended. 2) increase the coil’s primary voltage. Parts Included: 1 - Timing Computer, PN 8980 1 - 2-Pin Connector with Terminals 3 - Retard Modules, 2°, 3°, 4° 1 - GP15K Diode Warning: During installation, disconnect the battery cables. MSD - For modified engines with a custom ignition curve, magnetic pickup, and that can be easily connected to a MSD ignition unit (5, 6AL, 7AL2/3, etc). com • (915) 857-5200 • FAX (915) 857-3344 Grounds: A poor ground connection can cause many frustrating problems. Car All steel except hood Racing seats up front keeping back seat 8 point cage All glass Any info I need to provide to make this better just tell. If this occurs, contact MSD Tech Line for the required bolt-in diode to correct the problem. jpg60Pafterwash04. Disconnect the MSD Magnetic Pickup connector from the distributor. slack fuse 3 amp to 12 volts wiring with msd 7al3 ignition fuse 3 amp to 12 volts fuse 15 amp sure to between terminals the of the see usc. A wiring diagram is often used to troubleshoot problems and to create sure that every the friends have been made and that all is present. Since the gap size has a direct effect on the voltage necessary to jump the gap and ionize (light) the air-fuel mixture, careful attention is required. When it comes to the latest 7AL2, MSD notes: "The latest "Plus" model updates the original 7AL-2 with improved internal components - plus, our engineers added a 2-Step Rev Control and a useful diagnostic LED. Replacement Car Parts For Sale - Featuring a Wide Selection of Car Parts for All Makes and Models. There may be a lot of rumors being passed around about problems. Also I would love to run a Mag. But to make starting easier I do have a seperate switch for the ignition. 1968 Camaro with a 454 engine and a Th350 transmission, outstanding paint, runs and drives great. The problem with this is that you will burn out points (if equipped) much faster, since the coil's current is passing through the points. The car seems almost like it's on the rev limiter at the top of each gear. So saying it is actually the 8973 or one of the other boxes can be called an Urban Legend or really just a misunderstanding of the problem. Featuring a Wide Selection of Car Parts for All Makes and Models. $33,000 ono. by Qshot pilot » Fri Jun 17, 2016 9:19 pm 4 Replies 3105 Views msd 7al2 plus. MSD 7AL-2 Ignition PN 7220, 7224, 7226, 7250 Parts Included: 1 - MSD 7 Series Ignition 1 - Mag Pickup Extension Harness, PN 8860 problems. Msd 7al2 To 8972 Wiring Diagram - schematron. I once had an MSD box that refused to play nice with my car's VDO tach. 5mm wires are an excellent choice. Occasionally it will not start altogether. To be fair Will, the problem has not really been the actual 8973, or the 7AL2, 7AL3 or the Digital 7 but has been the problem of the unshielded crank trigger cable picking up the EMI. The hi6N is the only Crane hi6 that is analog. MSD recommends 14-Gauge wire for the primary coil connections. Get the best deals for msd 7al2 plus at eBay. The one before it went bad because I fried it doing something stupid. 00, but you can get it done with the stock crank sensor. We could have easily ran 10. Bo and Robbin Lumpkin's 1968 Chevy Nova sports a Chevy 400 Small Block engine with the complement of a Powerglide transmission to propel this race car in the low 6-seconds. 5mm and NGK plugs. The ignition timing is 4 degrees before top dead center. Decimals powerpoint 4th gradeI've been running the MSD 6AL with non-vac Pro Billet dissy and blaster coil. I have no problem pulling rpm's and burning fuel. I apologize if I should have posted in the electrical section. Got a coil from Carquest-'use with ballast resistor"-fired right up. I am thinking of upgrading my Boxer ignition to an MSD unit. msd grid tuning, Neisen said, "The Power Grid system using the MSD View Connect software provides the simplest tuning that MSD has ever offered. 7AL-2 box, retard controller, dial type rev limiter, RPM switch, coil, low pro distributor, crank sensor and wheel, all bracketry Jegs gets $1150 for this setup new, so I'm basing my price off of thatasking $700 obo. MSD Ignition MSD Digital 6A Ignition Control PN: 6. For drag racing and "short duration" applications, the Pro Power Coil, PN 8201, is the best choice. My wires are MSD 8. See what jean dyl (jeandyl) has discovered on Pinterest, the world's biggest collection of ideas. The CD circuits deliver full energy sparks to the plug throughout 14,000 rpm ensuring that even the most exotic fuel combinations are thoroughly ignited. For over a century Holley has driven the cutting edge of fuel-system design. The MSD might not provide some voltage to your coil, it might be normal. Discussion Starter • #1 • Sep 26, 2009. The Troubleshooting section has several checks and tests you can perform to ensure proper. Architectural wiring diagrams deed the approximate locations and interconnections of receptacles, lighting, and surviving electrical services in a building. , EL PASO, TEXAS 79936 • (915) 857-5200 • FAX (915) 857-3344 Figure 4 Wiring an MSD 6 Series Ignition with a Mag Pickup. These improvements were confirmed on the track by two drag cars, two circle track cars and one tractor puller. Haltech/Electromotive - For the computer/high tech junkie that wants infinite adjustability in their ignition timing. The car was featured in Street Machine magazine page 155 December 1989 issue "Aint Misbehaving". The only problems were that you could cut the air with a knife and it was raining on this July morning. So saying it is actually the 8973 or one of the other boxes can be called an Urban Legend or really just a misunderstanding of the problem. The Ignitions will deliver full voltage with a supply of 10 - 18 volts and will operate with a supply voltage as low as five volts. 0 with this combo it can't launch for shit tho 60 footers still about 2. Disconnect the MSD Magnetic Pickup connector from the distributor. 7220 1 - MSD Ignition MSD 7AL-2 Part No. 2 volts of current, shouldnt the current when cranking be about in the area of some 500 volts to the coil ???. Decimals powerpoint 4th gradeI've been running the MSD 6AL with non-vac Pro Billet dissy and blaster coil. Which one will I. For more information, call MSD Ignition at (915) 855-7123. slack fuse 3 amp to 12 volts wiring with msd 7al3 ignition fuse 3 amp to 12 volts fuse 15 amp sure to between terminals the of the see usc. msd 3 step wiring diagram schema diagram database. A loose main Black ground wire out of the MSD ® Ignition to the chassis ground / Battery ground. 60's at Mission had we located the problem. 035 and 38 degrees of timing that's locked in. Today it has facilities with more than 100,000 square feet (9,300 m 2 ) between two buildings on the east side of the city. There may be a lot of rumors being passed around about problems. Have although i 've never heard of the coil, 2009 ; 8 9 10 view download. m s d i g n i t i o n. 1050 DOMINATOR, ELEVTRIC FAN, MSD DISTRIBUTER, MSD 7AL2 BOX, MSD COIL, MSD MULTI STEP RETARD BOX, TRANNY IS A TURBO 400 WITH REVERSE MANUAL VALVE BODY AND TRANS BRAKE, FORD 9. Based out of Brownsburg, In, we are a 501c3 organization heading into our ninth season of racing and promoting. It was when I put my 871 at 9% under on that engine at 11:1 static compression and saw 17 - 20 lbs boost that I ran into problems that may have been due to the 7al2 ignition. or Best Offer. What I wanted to MSD box for was the 2 step. Might be an idea to disconnect the MSD from the Ignition switch power though and temporarily wire the small red wire ( +12v switched) directly to the Battery positive terminal. due to improper installation or poor connections. MSD 6-Series to GM HEI 4-pin Module NOTE: The GM Ignition Module is removed and replaced with the MSD PN 8861 Wire Harness. My wires are MSD 8. I heard to build the car to NHRA Heritage rules that they are pretty much the standard. MSD 7AL-2 Ignition PN 7220, 7224, 7226, 7250 Parts Included: 1 - MSD 7 Series Ignition 1 - Mag Pickup Extension Harness, PN 8860 problems. Strip the end of the trigger wire for the tachometer, and place a female-to-female connector to it. The hi6N is the only Crane hi6 that is analog. 1968 Camaro with a 454 engine and a Th350 transmission, outstanding paint, runs and drives great. For your dizzy, if you block the lazer beam with something; a credit card might be not opaque enough (I mean: non transparent - I'm not sure about my English here ), you should experience some drop in voltage on your dizzy terminals. MSD insist this can not happen but sending the 7AL back to MSD resulted in a $180+ repair bill for a new mother board etc. What internal bearings does it use? #6. These improvements were confirmed on the track by two drag cars, two circle track cars and one tractor puller. This capacitor, PN 8830, will also protect the MSD and accessories from voltage and current spikes. Also, checked plug wires. 7 rr, Mac long tube headers w/off road H pipe, Force 2 catback, TKO,Pro 5. After far too many glitches, sputters and high RPM oddities, I took the MSD 7AL2 box, billet distributor and funky coil that we had on it and tossed them into the trash because I got sick and tired of them causing all of the strange things they were causing and dropping cylinders when the car came-off the trans brake at 5,000 RPM. Doesn't matter, any brand could have problems, after all, it's electrical!. I run an MSD 7AL2 on my race car. It will fire instantly when I do that. but as I have not been inside the mo-tor I have no idea what else was done. I have used 7AL2's and Digital 7P's in daily drivers without problems. When disconnecting the battery,. 60 intake and exhaust valves and Harland Sharp 1. to tach out on msd gray (n. That combination went 8. I've never seen this problem. Bo and Robbin Lumpkin's 1968 Chevy Nova sports a Chevy 400 Small Block engine with the complement of a Powerglide transmission to propel this race car in the low 6-seconds. The repaired unit will be returned as soon as possible using Ground shipping methods (ground shipping is covered by warranty). Fortunately, most tachometers are capable of plugging directly into the MSD ignition control box with little trouble. The MSD 6A is the base model of the capacitive multiple spark discharge 6 Series design. Installed an MSD box and L20 distributor that ran on a donor engine car years ago with a Master Blaster coil-crank no start. I can turn off the box (MSD 7AL2) with the switch. The 7AL2 Has Been A Staple In The Drag Race Community For Years. Only reason I went to MSD dizzy was a cleaner look. It didn't get cooler (95 degrees at 6 pm) and I didn't find the problem - so I set my shift light at 6200 (normally 7200-7300 on a 572-13 head motor) and dropped the slicks another 1/2 pound psi. Personally I've got the MSD 6AL, no ballast, either MSD billet or Mopar "tach drive" with a "variable" Jacobs coil. I asked if he though it was the carb or ign problem and he stated for sure it was the MSD as it's pretty old. Towed to work. INSTALLATION INSTRUCTIONS DIGITAL 6-PLUS, PN 6520 DIGITAL 7-PLUS, PN 7520 Figure 8 Wiring a Digital 6-Plus or 7-Plus Ignition with a Mag Pickup. Might be an idea to disconnect the MSD from the Ignition switch power though and temporarily wire the small red wire ( +12v switched) directly to the Battery positive terminal. Not only is the 7AL-3 packed with more power but it also features a host of drag racing accessories. A wiring diagram is often used to troubleshoot problems and to create sure that every the friends have been made and that all is present. Which one will I. Brian Spiker's 1994 Honda Accord EX is a true sleeper. MSD Ignition, 7AL2-Plus Control Box, Capacitive Discharge, 2 Step Rev Control, suitable for Racing Applications only, 7222. A built-in Three Step Rev Control provides three different rpm limits that can be used for the burnout, holeshot and top end overrev protection. Getting new one made at moroso with kick outs like a chevy pan ( gotta do what ya gotta do ). A MSD 7al2, Barry G fuel pump and a set of AFB 500s on her, We never did dyno this gal, we estimate about 650 on the giggly and use the parts destruction that she could cause as a serious guide. Disconnect the MSD Magnetic Pickup connector from the distributor. MSD recommends 14-Gauge wire for the primary coil connections. From a smoke free home. My MSD 7AL2 ignition system now provides plenty of spark and burns the extra gas that the Webers tend to leave at lower rpms. 1050 DOMINATOR, ELEVTRIC FAN, MSD DISTRIBUTER, MSD 7AL2 BOX, MSD COIL, MSD MULTI STEP RETARD BOX, TRANNY IS A TURBO 400 WITH REVERSE MANUAL VALVE BODY AND TRANS BRAKE, FORD 9. Dominator carb on racing gas being fired by MSD dizzy and 7AL2 with 2 step rev limiter. Quantity: 2 available. the problem is definitely affecting the standard box (6215), my unit and several that I sold, all had the same problems 2. I have tested the MSD "Blaster ignition", HEI replacement, 6A, Digital6, 7al2, Accel 300+, Accel 500+, Holley Dominator, Crane6, MSD "Stacker", Ford. Is your set up making more then 800+. To be fair Will, the problem has not really been the actual 8973, or the 7AL2, 7AL3 or the Digital 7 but has been the problem of the unshielded crank trigger cable picking up the EMI. The MSD might not provide some voltage to your coil, it might be normal. My problem turned out the be the pickup in the MSD distrubutor. There may be a lot of rumors being passed around about problems. battery (very small) so even a little charging problem will show up right away. 00 crank, New titan oil pump, New -Milodon geardrive, New billet rods, CP pistons, C&A rings, Clevite bearings, Crane roller cam, New roller lifters, Chevrolet 990 iron heads, New Ferrea valves, New Nextec springs, Titanium retainers, Crower rockers, Trend pushrods, New Blower shop manifold with burst panel, Blower. We have never had problems with our 8973 and I have never actually experienced problems with any other 8973's. N02 converter. I jumped from a stock Jetta in to a 380hp S13 and never had a problem. begin wiring the MSD by connecting the wires responsible to run the engine. 235” damper to fit the bulge, a 7” won’t clear. The only problems were that you could cut the air with a knife and it was raining on this July morning. comrod bearings/mainfull gasket settiming kit oil pumpwater pump $ 327. A wiring diagram is often used to troubleshoot problems and to create sure that every the friends have been made and that all is present. 27 dial-in which resulted in a first round loss to Lee Huxley, my. Anyway, like you I move the battery back to the front, made new grounds from engine to frame. 5mm Super Conductor Spark Plug Wire give-away! Registering your product. My curve is 1,200 to a fast ramp finishing off at 2,400 rpms. That was only at 685 RWHP. INSTALLATION INSTRUCTIONS DIGITAL 6-PLUS, PN 6520 DIGITAL 7-PLUS, PN 7520 Figure 8 Wiring a Digital 6-Plus or 7-Plus Ignition with a Mag Pickup. It is my understanding that I will need the following parts: 1 MSD 6AL box #6420 modified. Since the gap size has a direct effect on the voltage necessary to jump the gap and ionize (light) the air-fuel mixture, careful attention is required. I am begining to think the box is the culprit and needs repairing. Braille 21 lb. So it's something with that specific ignition box. 65 Amp mini Alternator. 5-1 648 without issues, we also use a 16 volt battery setup without problems. So I tested the unilite module and it was bad, it was a constant voltage and didn't trigger. " The cool part about this data is that points on the graph can be plotted to perform actions, like not allow the engine to hit overrev if the tires lose traction a second into the run. Which one will I. Also I would love to run a Mag. Then there's the non programmable 7al2 but apparently that ones not recommended either so thinking of selling both and getting 6al2 programmable, will be working it out closer to the day Anyway ended up going 15. I do also have a msd box that still runs that is so old, it doesn't have a number designation (msd 5, 6al, 7al2 etc. MSD doesn't even make an 8 or a 10 ignition anymore They make several 7's, the 7AL2, 7AL3, and digital 7, then they make an 8 plus. Haltech/Electromotive - For the computer/high tech junkie that wants infinite adjustability in their ignition timing. recommended to use an MSD Coil. com Page 2 of 17 71900 - Progressive Nitrous Controller The 71900 Progressive Nitrous Controller was designed using the latest digital technology available. 68Chevele · Registered. Installed an MSD box and L20 distributor that ran on a donor engine car years ago with a Master Blaster coil-crank no start. s nstbuctton cfthe and operation. problem #1 , big deep moroso pan wont work, to close to the ground. 5 <® 125 aspirated. MSD Ignition MSD Digital 6A Ignition Control PN: 6. Free delivery and returns on eBay Plus items for Plus members. Like you are breaking the contacts in the system. That combination went 8. I had a problem with wiring that took me almost 2 weeks to find and isolate last year. The only reason I was going to run HEI was because I have a MSD 7al2. These are instruction for an MSD 7al box, or 7 series boxes. slack fuse 3 amp to 12 volts wiring with msd 7al3 ignition fuse 3 amp to 12 volts fuse 15 amp sure to between terminals the of the see usc. I will still keep my eye on the box because it a character you cannot leave home alone. HONDA IGNITIONS Wiring a Honda with Internal Coil. Have although i 've never heard of the coil, 2009 ; 8 9 10 view download. Baby & children Computers & electronics Entertainment & hobby Fashion & style. It pushed the end seals out of the intake from all of the blow you but the 7al2 and the small coil still lit it off. MSD ® Ignition High Speed Miss: Check the main ground connection & + 12VDC connection on the MSD ® Ignition box for a good connection. If there is an electronic throttle control fault the accelerator pedal may not respond. Coils (MSD) (1994) -> 50,000 - 60,000 volts (not needed). Then there's the non programmable 7al2 but apparently that ones not recommended either so thinking of selling both and getting 6al2 programmable, will be working it out closer to the day Anyway ended up going 15. favorite this post Mar 3 2015 Chevrolet Silverado 3500HD LTZ MSD 7al2 with accessories. I use stock Mustang battery cables and my MSD 7AL2 is mounted right next to it in the stock Mustang battery tray. 68Chevele · Registered. These topics include positive hysteresis, the co-doping of non-luminescent ions, the introduction of an aimed impurity phase, the excitation density effect and the complementary relationship between scintillators and storage. MSD 7AL2 box puts out 110 MilliJoules MSD 7AL3 box puts out 160 MilliJoules MSD Digital 7 puts out 190 MilliJoules MSD 10+ puts out a whopping 700 MilliJoules ProMag 12 puts out 300 MilliJoules ProMag 44 puts out 950 MilliJoules. I have 180 degree headers that come very near the valve covers - how is extreme heat on this system? #8. 2 volts of current, shouldnt the current when cranking be about in the area of some 500 volts to the coil ???. I work at a Ford Dealer with a couple really smart Driveability techs-head scratcher. Also look at the Orange & Black coil. 0 with this combo it can't launch for shit tho 60 footers still about 2. net can also find other images like wiring diagram, parts diagram, replacement parts, electrical diagram, repair manuals, engine diagram, engine scheme, wiring harness, fuse box, vacuum diagram, timing belt, timing chain, brakes diagram, transmission diagram, and engine problems. NOTE: Direct Plug-In Harness available, PN 8875. MSD Ignition 8984 Starter Saver W/Sign. the studder problem occurrs above 6100-6200 rpm. Despite a problem with a deflating slick the car kept getting better and finally netted a 10. Decimals powerpoint 4th gradeI've been running the MSD 6AL with non-vac Pro Billet dissy and blaster coil. Might be an idea to disconnect the MSD from the Ignition switch power though and temporarily wire the small red wire ( +12v switched) directly to the Battery positive terminal. All MSD 7al2 box Rear end Quick performance 9 inch with 3. Just seemed we had a carb issue. a msd 7al-2 I think is the number and it would cut the motor almost off once every 6-10 passes at the top of low gear just before I'd shift. I have switched 12V at the MSD box when I turn the ignition key to the right point. MSD Distributor with 7AL2 Box Headers with Mufflers B&M Ratchet Shifter Electric Fans (No problems with overheating) CHASSIS & DIFFERENTIAL 2 X 3 Square Tube Chassis 9" Ford Differential with 486 Gear Strange Axles Strange Brakes 4 Link Rear Suspension with Coil Over Shocks & Pan Hard Bar 4 Wheel Disc Brakes 16 Gallon Aluminum Fuel Cell INTERIOR. by quattrors4 » Thu Jun 30, 2016 1:05 am 4 Replies 2122 Views. 7AL-2 box, retard controller, dial type rev limiter, RPM switch, coil, low pro distributor, crank sensor and wheel, all bracketry Jegs gets $1150 for this setup new, so I'm basing my price off of thatasking $700 obo. For over a century Holley has driven the cutting edge of fuel-system design. Man Thats what I was looking for. you might get away with 10 lbs or so before you have tuning problems and shootin ducks but you will be chasing pills and nozzles forever when the only problem is the ignition. 5mm and NGK plugs. 5mm wires and 7AL2 box,. msd grid rev limiter problems. Bo and Robbin Lumpkin's 1968 Chevy Nova sports a Chevy 400 Small Block engine with the complement of a Powerglide transmission to propel this race car in the low 6-seconds. msd grid tuning, Neisen said, "The Power Grid system using the MSD View Connect software provides the simplest tuning that MSD has ever offered. Priced at $29,900. org can also find other images like wiring diagram, parts diagram, replacement parts, electrical diagram, repair manuals, engine diagram, engine scheme, wiring harness, fuse box, vacuum diagram, timing belt, timing chain, brakes diagram, transmission diagram, and engine problems. MSD developed a module to replace the stock HEI module in a stock HEI Distributor. The MSD 7AL-3 can be used with a variety of coils, but to receive the best performance, it is recommended to use an MSD Coil. FOR SALE! NEW HI-PERFORMANCE BLACK SMALL BLOCK CHEVY PRO-BILLET DISTRIBUTOR, BLACK 6AL CDI IGNITION 321426240665. Unfortunately the 10. Also I would love to run a Mag. If you have done that (as it seems you have) then the problem is in the new MSD ignition you installed. Forget "0" timing. There may be a lot of rumors being passed around about problems. For drag racing and “short duration” applications, the Pro Power Coil, PN 8201. I spent $250 for a 7al2 box, $150. Wouldn't trade my ignition system in for anything. So saying it is actually the 8973 or one of the other boxes can be called an Urban Legend or really just a misunderstanding of the problem. ) not used yellow (n. Whether you’re running nitrous, high rpm, high compression or methanol fuel, the 7AL-2 Plus has the power to light the fire! Available now in the ultra-slick. MSD recommends 14-Gauge wire for the primary coil connections. Discussion Starter • #1 • Sep 26, 2009. Decimals powerpoint 4th gradeI've been running the MSD 6AL with non-vac Pro Billet dissy and blaster coil. Unlike a CD ignition (MSD box) where higher battery voltage offers minimal gain, inductive ignitions (HEI) generate increased output as battery voltage increases. For street applications or long duration racing events, the HVC Pro Power Coil, PN 8251 or PN 8261 are recommended. Went back to the track and nothing changed. The MSD can be used with 16 volt batteries and can withstand a momentary 24 volts in case of jump starts. I would recommend to almost everyone to have an MSD Ignition Tester in their toolbox. Installed an MSD box and L20 distributor that ran on a donor engine car years ago with a Master Blaster coil-crank no start. Elite 2500/MSD 42351 CDI box. Bo and Robbin Lumpkin's 1968 Chevy Nova sports a Chevy 400 Small Block engine with the complement of a Powerglide transmission to propel this race car in the low 6-seconds. a detailed account of any problems experienced, and what components and accessories are installed on the vehicle. Msd 7al-2 plus problem 1. Created Date: 10/29/2002 9:39:25 AM. Since the gap size has a direct effect on the voltage necessary to jump the gap and ionize (light) the air-fuel mixture, careful attention is required. - don"t have any experience with the digital 7 and have not heard about any problems with it either. com is a read-only archive. My MSD 7AL2 ignition system now provides plenty of spark and burns the extra gas that the Webers tend to leave at lower rpms. Good luck! :-) Jeremy: 07/9/17, 09:33:53 PM. I sold my 6al and have a 7al2 nowstill MSD wires and Dizzy. It shows the elements of the circuit as streamlined shapes, and the power as well as signal connections in between the gadgets. The car seems almost like it's on the rev limiter at the top of each gear. Anyway, like you I move the battery back to the front, made new grounds from engine to frame. The only reason I was going to run HEI was because I have a MSD 7al2. ) not used yellow (n. 5mm and NGK plugs. com Page 2 of 17 71900 - Progressive Nitrous Controller The 71900 Progressive Nitrous Controller was designed using the latest digital technology available. MSD said it was damaged beyond repair but they would sell me a repaired unit for $80 and it came with a warranty. There are stories also about the 7AL2 and 7AL3 boxes but when they are sent into MSD there is nothing ever found wrong and then they find the problem was in the car but the igbition box was blamed. 396 bbc initial timing, Posted in: 396 bbc initial timing. Baby & children Computers & electronics Entertainment & hobby Fashion & style. 7 rr, Mac long tube headers w/off road H pipe, Force 2 catback, TKO,Pro 5. com • (915) 857-5200 • FAX (915) 857-3344 Grounds: A poor ground connection can cause many frustrating problems. As mentioned above MSD has MSD 8 Plus coming out this season, it has the same toys as the 7AL2 Plus for Drag racing. msd grid tuning, Neisen said, "The Power Grid system using the MSD View Connect software provides the simplest tuning that MSD has ever offered. Smaller estimates for the day’s receipts and buying against sales in Liverpool sustained the market imme diately after the opening, hut the Hous ton estimate was large and during the middle session prices worked off to a net decline of about 7al2 points on the more active months. 5mm or MSD 8. Plug in your diagnostic scan tool and go to work. My curve is 1,200 to a fast ramp finishing off at 2,400 rpms. As for which model MSD will suit your needs: 1. I've never seen this problem. 396 bbc initial timing, Posted in: 396 bbc initial timing. A typical bounce would be to 6,000 rpms while the engine was running steady at 3,000. The repaired unit will be returned as soon as possible using Ground shipping methods (ground shipping is covered by warranty). A call to MSD insured me this could not happen as there must be another problem. 【課題】 炭素析出が少なく、かつ、優れた活性と寿命を持つ炭化水素の水蒸気改質触媒を提供すること 【解決手段】 Mayenite構造を有する12SrO・7Al 2 O 3 化合物を含む担体と、前記担体に担持されたRuとを含む、炭化水素の水蒸気改質触媒によって解決される。. Despite a problem with a deflating slick the car kept getting better and finally netted a 10. Electrical wiring representations are made up of two points: signs that stand for the components in the circuit, and lines. Built-in two step rev control Operates on 4, 6 or 8-cylinder engines Troubleshooting LED for spark output diagnostics Terminal strips for improved and easier wiring You'll recognize the 7AL-2 Plus Ignition Control, as its. When I was removing my balance belt (7 bolt) I ended up bending the crank plate a little too much. Switched to a spare and all was good. Spark Energy: 160 mJ per spark Primary Voltage: 570 volts Secondary Voltage: 47,000 volts (tested with Pro Power Coil) Spark Series Duration: 20° crankshaft rotation RPM Range: 14,000 RPM with 14. MSD states that all their products should be used with shielded wires. I have 180 degree headers that come very near the valve covers - how is extreme heat on this system? #8. 0008 smaller than the timing gear which made my timing move around. What internal bearings does it use? #6. MSD 7AL-2 Ignition PN 7220, 7224, 7226, 7250 Parts Included: 1 - MSD 7 Series Ignition 1 - Mag Pickup Extension Harness, PN 8860 problems. 383 Windsor. where engineering and innovation meet. 20 at 131 launching at 3000 and shifting at 6200! Next pass right back to rev limiting and slowed to 10. 【課題】 炭素析出が少なく、かつ、優れた活性と寿命を持つ炭化水素の水蒸気改質触媒を提供すること 【解決手段】 Mayenite構造を有する12SrO・7Al 2 O 3 化合物を含む担体と、前記担体に担持されたRuとを含む、炭化水素の水蒸気改質触媒によって解決される。. 3500 rpm misfire, vr sensor crank trigger MS aftermarket engine management. Many MSD systems (and similar ignition amplifiers) require a special tach adapter or even a special tach trigger in order to work with certain tachometers. (one 14" on the radiator and a 10" on the trans cooler), one electric fan in the car to blow air on the driver, MSD 7AL2 box, electric water pump drive, delay box, lights, tach etc. Subject: NEED A 7AL2 Author: ERNIE [ Edit | View] Date Posted: Sunday, February 25, 10:45:31pm LOOKING FOR AN MSD 7AL2 BOX IN GOOD CONDITION ERNIE*** CELL# (713)437-9096 [ Post a Reply to This Message]. Klar1 , and Juergen Janek2 -- 1 Institute of Experimental Physics I, Justus-Liebig-University, Heinrich-Buff-Ring 16, D-35392 Giessen. The powerful multiple sparks of the MSD 6A ensures complete combustion. Car is located in. been there done this on many motorsforget the msd 7,8,10 or whateverdo yourself a HUGE favor and stick a msd 25 or 44 amp mag in there and be done with it if your on alky. i have not torn into the car yet to see if there is any other problem that caused the MSD to fail, but I can't think of anything else that could have caused it. 235” damper to fit the bulge, a 7” won’t clear. Cooling is the biggest issue and I think is the biggest reason for people to say that you can not effectively run one in an endurance (like street) driving. All MSD 7al2 box Rear end Quick performance 9 inch with 3. INSTALLATION INSTRUCTIONS Noise Capacitor: MSD offers a Noise Capacitor or Filter to help eliminate EMI noise. 90lxwhite and I are on the same page. 1968 Camaro with a 454 engine and a Th350 transmission, outstanding paint, runs and drives great. The Automotive Machine Buick used an MSD Pro Billet distributor hooked to a 7AL2 box firing the Champion plugs. Run enough wire to reach the MSD ignition control box mounted on the firewall in the engine compartment. 1968 Camaro with a 454 engine and a Th350 transmission, outstanding paint, runs and drives great. The problem with this is that you will burn out points (if equipped) much faster, since the coil’s current is passing through the points. This is the solution that Jacob’s, Universal, MSD, and other companies have decided to use. Alabama Toy Box - $100 in guest room, barely used 5 years old, no rips, no stains, no tears, no problems Marvel Alabama Furniture 30 $ CANISTER VACCUME (new) in box Canister vaccume, General Elect. Which one will I. The only reason I was going to run HEI was because I have a MSD 7al2. If you have done that (as it seems you have) then the problem is in the new MSD ignition you installed. That and I found out that a 7al2 and a 50,000 volt coil make a hell of a spark!. I have an MSD 7al-2 and a 7al-3. The power wire is a #8 gauge wire to the Batt disconnect and the ground is also a #8 gauge. • MSD 7AL2 Ignition • AutoMeter Gauges • Custom Wiring • JBRC Hood Scoop • JBRC 9” Sheetmetal Rear End Housing • JBRC 4 Link Rear Suspension (Bars, Rod Ends and Bolts) • JBRC Wishbone Housing Locator • KONI Double Adjustable Rear Shocks • Rear Springs • Rear Shock Bolt Package • JBRC Sway Bar. Remove the coil wire from the distributor cap and position the terminal so it is approximately 1/2" from a good ground. If this occurs, contact MSD Tech Line for the required bolt-in diode to correct the problem. Timing is 38* total and I have NEVER had an ignition problem in 4 years of running. MSD summed up for us on their educational site what is exactly happening within the ignition process: A typical (meaning stock) 12-volt automotive ignition system operates by taking in a low voltage with high current from the car’s battery and changing it into a higher voltage with lower current to jump the spark plug gap to propagate combustion in the cylinder. Nostalgia Drag Racing League, Brownsburg, Indiana. MSD's accurate Soft Touch Rev Control is built into the 7AL-2 so our Module Selectors and other rpm controls can easily be connected. NOTICE! The old Mustangsandmore. The only reason I was going to run HEI was because I have a MSD 7al2. note: The MSD 7AL-3 will retard the ignition timing approximately 4°. Some customers are struggling with RFI problems that seem to be introduced by the magnetic pickup. My MSD 7AL2 ignition system now provides plenty of spark and burns the extra gas that the Webers tend to leave at lower rpms. Decimals powerpoint 4th gradeI've been running the MSD 6AL with non-vac Pro Billet dissy and blaster coil. The Troubleshooting section has several checks and tests you can perform to ensure proper. To slap me back into reality, Joe at Don Zig's placed a piece of all-thread against the housing of my OAC within about 5/8" from the exposed coil wire (cap removed) and rotated it by hand one click. Man Thats what I was looking for. Bo and Robbin Lumpkin's 1968 Chevy Nova sports a Chevy 400 Small Block engine with the complement of a Powerglide transmission to propel this race car in the low 6-seconds. I ran a MSD 7AL2 with both my D1 and F2 for 3 or 4 years on the street. I ordered a new MSD Blaster coil and a new accel TFI module from Summit. Dec 07, · This is a image galleries about Saab Exhaust schematron. Joined Feb 27, 2019 · 1,812 Posts. This ignition works on modified street machines, trucks or street rods. For more information, call MSD Ignition at (915) 855-7123. both are V-8 boxes. 396 bbc initial timing, Posted in: 396 bbc initial timing. MSD Ignition 8984 Starter Saver W/Sign. Which one will I. Page 13 Some 5-pin models may experience NOTE: The stock rotor button must be replaced with a hesitation or stall on decelera- an MSD Low Resistance Bushing, PN 8412. Dec 07, · This is a image galleries about Saab Exhaust schematron. So saying it is actually the 8973 or one of the other boxes can be called an Urban Legend or really just a misunderstanding of the problem. A 7AL3 ore digital 7 put out more than enough energy to fire a NA alcohol engine without any worries of a misfire when used with the proper coil. Old carb set up is below with 3X2's MSD-Digital-7AL2 Digital Ignition Box, HVA Coil, and Boost Control Box, all by Autotronics Control Corp. Strip the end of the trigger wire for the tachometer, and place a female-to-female connector to it. I've got a MSD 7AL2 & MSD start retard with the start retard set @ 8 * retard and still having fun with kick back US Marine, Apr 23, 2016 #4828. I had a problem with wiring that took me almost 2 weeks to find and isolate last year. Are the coil mounts available and what price? #7. What I wanted to MSD box for was the 2 step. 1968 Camaro with a 454 engine and a Th350 transmission, outstanding paint, runs and drives great. After the boxes made repeated trips back to Texas for repairs, (MSD kept saying they were OK when they received them. favorite this post Feb 9 2-2016 komatsu PC490-11s 7080 hours excellent undercarriage 75" buckets. Run enough wire to reach the MSD ignition control box mounted on the firewall in the engine compartment. Joined Nov 14, 2006 · 1,481 Posts. The MSD 7AL2 came from the late Scott Geoffrion's Pro Stock Dodge Daytona after Simon helped out the car's current owner, Matt Sawyer. My curve is 1,200 to a fast ramp finishing off at 2,400 rpms. Never any sign of a problem. There are stories also about the 7AL2 and 7AL3 boxes but when they are sent into MSD there is nothing ever found wrong and then they find the problem was in the car but the igbition box was blamed. 73`s, Nitto DR`s and a Heavy Foot. Grounds: A poor ground connection can cause many frustrating problems. 5mm and NGK plugs. MSD Tech Line (915) 855-7123. To survive the demands of heavy duty racing applications, the circuit boards receive a heavy duty coating of Humi-Seal compound. 300 heads and big red roller rockers and an MSD 7AL2 ignition. Save Share. Details about MSD Ignition 7AL2 Box w/ TSP Pro Billet Distributor & Coil 7222 SBC BBC. Tree came down, car left straight and hard, then went into rev limit at 5500 in. Disconnect the MSD magnetic pickup wires from the distributor. It is currently hooked up to a stock distributor. This ignition works on modified street machines, trucks or street rods. Towed to work. favorite this post Feb 9 2-2016 komatsu PC490-11s 7080 hours excellent undercarriage 75" buckets. I sold my 6al and have a 7al2 nowstill MSD wires and Dizzy. I've run it on every car I've had before and on the two I have now. Lastly, changing the car to a 16-volt system would yield the best results if this is an option. 5mm and NGK plugs. We run a MSD Pro Billet Distributor with an MSD 6AL. For over a century Holley has driven the cutting edge of fuel-system design. INSTALLATION INSTRUCTIONS 3 AUTOTRONIC CONTROLS CORPORATION • 1490 HENRY BRENNAN DR.