Msd hei coil vs stock. Engine starts right up, plugs stay clean.

Msd hei coil vs stock If you run over about 5500 rpm, I would recommend the MSD coil conversion. MSD engineers say its ignition module is “bulletproof. Jan 18, 2017 · Just my opinion. The MSD Pro-Billet HEI picks up where a stock HEI falls short with a digital module and Sep 1, 2019 · Their reliability is less than desired, and there's no reason to run a CD system on most engines (hi-perf or mild). COM • (915) 857-5200 Apr 16, 2009 · I bet it has the same specs and provides the same performance as most any other HEI coil--INCLUDING the various Delco units as installed on every in-cap coil HEI since mid-'74. Engine starts right up, plugs stay clean. GM HEI showed multiple sparks one big spike to 45,000 volts then it tapered off with about 7 hits then flat lined until the next big 45,000 volt hit. , 12. 040" with above tests ]: - DUI coil & module 9200 rpm - Accel components over 8900 rpm - and MSD Coil & module went to 9600rpm, the limit of the Dec 9, 2021 · The guy I aquired such a beast from, had installed a MSD distributor and coil set up. Jul 9, 2001 · I am considering the Accel Racing HEI Distributors--part # 10-9107D for $189. Then, for a large coil n cap HEI, use Crane adjustable vacuum advance kit 99600-1, for an adjustable vacuum advance, and mount the stop plate to the OTHER side of the pull pin, for separate rate vs degree adjustment, and get 3 sets of mechanical May 3, 2010 · As far as the HEI and all that, the 6AL is worlds better for performance than HEI but either way it's not important once the 6AL is installed as the stock ignition merely triggers the MSD unit, which fires it's own coil. 045. 0 style unit that I wasn't crazy about having under the hood on my '68. Jul 30, 2021 · DUI and HEI are both GM style 1 wire electronic distributor ignitions with the coil integrated into the cap and an internal module. DUI is an extra, and DUI is already more expensive then an MSD. SKU # 335318. I want to upgrade the stock ignition system, so it's a dead lock for me between fabbing a GM HEI conversion to replace the ballast resistor, or buying a new Mallory or MSD capacitive discharge ignition system. The 2 problems with points are they wear out and ignition voltage is low. (haven't played with other settings as yet). Only at www. Different coil can also effect spark anger output by having a better ratio of windings inside to generate more output HEI owners now have a choice to replace their stock coil with the MSD High Energy Unitized Coil for GM HEI Distributors. 1990 Grand Wagoneer 440 swap, 727 MVB, NP208, D44 F/R 4. The only problem I had heard with a HEI was that they would advance too far so you did have to work on this part to keep the total advance down. With the "6" series MSD units, excess heat, poor grounding, or other wiring issues cause the majority of failures. (I am guessing it is probably stock. Rev Limiter - MSD had one in stock, internal. ” Aug 2, 2006 · MSD 8433 HEI terminal type cap (adds $20. 496 10:3:1 MSD HEI coils increase spark energy when used with MSD HEI HEAT modules. Feb 5, 2010 · With the HEI the engine would start within a 1/2 turn of the engine. Jun 22, 2003 · You will probably find a min. I had to gap the plugs to . Had to buy an accel super stock coil to get home. The coil was on top of the HEI and all you needed to hook it up was a straight 12 volt wire to it. Coils, stock is great. Distributor Cap & Rotor; Street Fire; Cap And Rotor Kit; GM HEI; Internal Coil. Even stock HEI systems had fewer problems than CD with the can coils. What will the upgraded ignition do for me? Aug 3, 2024 · I ran points for decades and even checked spark voltage on stock single point vs the stock GM big cap HEI from the late 1970's all tested on a Big Allen oscilloscope. Click to expand MSD is claiming 42000 volts max and other perks, you bring up a good point thought. Designed to be installed on stock HEI distributor caps with no modification. " I don't know why you couldn't run your tach off the coil. Compare that to an external, oil-filled coil that draws roughly six amps, and there is no way it can get as hot when working properly. 8 out of 5 stars Oct 8, 2022 · Those in cap HEI coils are the 99 % plus main reason HEI modules fail, over and over again, as the coil slowly dies from "layer shorting". Nov 20, 1999 · Jacobs coils are stock GM performance coils, re-labeled, not worth the effort, and the Pertronix coils are same as Jacobs. It has the high output coil, and a high rev module. Still, the most powerful spark is surely from a single coil per plug which most/all current engines have (even 2 plugs per cyl like new Hemi). I have seen legitimate failures of MSD "6" series boxes, and two that had the pick-up/trigger wires connected backward. I'm going to go with another MSD that is mounted on the firewall and keep the accel under the seat in case it happens again. To make a long story short, the car died (could not Feb 5, 2006 · Best thing to do with that epoxy coil is remove it, add an MSD 8401 cap adapter, a section of coil wire, and either NAPA IC12 or MSD 8200 OIL FILLED coil instead of the epoxy filled coil, or epoxy filled "performance" coil. Neither ever gave any trouble. Feb 2, 2014 · Stock higher compression, and light to moderately modified engines, REAL HEI, (don't need a fancy "hi-perf" coil, OEM GM stock coil works OK, if you can find one that doesn't die in the first 50 feet of operation), magnetic suppression, spiral core 8mm wires mandatory, spark plug gaps to . A blue print distributer with a decent coil and wires will be a cost effective solution. IDK what happen, but it was JB welded when I got it. I also used MSD on a street-strip Pontiac 400, triggered by a new point-type distributor. The integrated coil keeps underhood wiring clean, and for race cars, the idea of running one wire to the distributor keeps things simple. In short, get that coil out of the cap. If HEI does trigger the MSD better, you will never know it and probably will not take advantage of it unless you put tons of Jul 8, 2012 · C3 Tech/Performance - Ignition Coil Replacement vs. The module in this case in an MSD ignition box. Jan 25, 2006 · MSD is GREAT for race cars and applications with Nitrous! MSD is way overpriced for a company that now has their products "Hecho en Mexico". Part Number: MSD-5501 4. Nov 29, 2009 · About 15 years ago I noticed the cars with the spectacular nitrous eruptions, scoops in low earth orbit, etc. Aug 14, 2013 · Just recently popped a MSD coil on the trail. The MSD Circle Track HEI distributor PN 8362CT was designed from the start as a race-winning distributor for circle track racing classes that require a “stock appearing” HEI distributor. I know people say the pro billets are better for high performance and high revs. The bone stock GM HEI out performed the accel stuff everytime but I'm sure after 30 plus years accel has probbly improved their technology. Warranty HEI owners now have a choice to replace their stock coil with the MSD High Energy Unitized Coil for GM HEI Distributors. not so happy about that. I ordered the HEI coil from Jan 3, 2013 · If you use the HEI and a msd box together like blasttime said is was doing make sure you put in a msd low resistance bushing I didn´t at first, I thought they all where the same I burned my coil on my first long trip with the msd box it was 150-200 miles trip and luckily the coil gave up a mile from home. MSD 335318. MSD Ignition Module - Well, after being hooked up to a battery tender the last few days waiting on the weather to cool off so I could diagnose the battery draw, I decided to take the Stingray for a short drive. As long as you run performance boosts, it’s worth it for the few extra ~8-11 HP and better throttle response. 4 days ago · MSD Circle Track HEI Distributors MSD Circle Track HEI distributors were designed with the demands of racing in mind. ADD TO CART. The coil features special low induc­tance, high temperature windings which charge faster to give you increased spark energy at higher rpm. -----Mark 1992 Firebird 355/Six Speed 1991 RS 350 / 700-R4 1987 Toyota Pickup 383 / 500 + HP 10. 997 @ 114. I can buy a rebuilt, stock HEI, from a parts store for $80 but by the time I add the $65 module, and the $50 coil, I will have more in that than the drop in one from Accel. I've tried multiple brands of plug wires (if that even makes a difference), multiple brands of cap and rotors, and a couple different distributors. Sep 28, 2007 · My days spent training at the sun electric school in late 70's permitted testing on many HEI units. rod-n-custom asking about Pertronix vs Crane vs MSD and I recieved some e-mails back suggesting I would be better off getting a stock GM 1975-1980 HEI distributer and an Accell coil. If your car is light on mods or you’re keen on stock setups, you don’t really need MSD. I have the MSD module and no real change from a good stock unit. Conversion kits. Wire up is simple, and coil failures, module failures (for no apparent reason) virtually cease. had canister coils, mostly the Blaster 2. I went with an MSD coil, MSD 6A CDI box, duralast premium cap, duralast cap adapter, Autolite plugs and wires. The HEI is a Chevy design all in one ignition. Nov 25, 1999 · Since I use an MSD pickup and reluctor, and a GM 990 series HEI module, I get a much better pickup than the stock HEI pickup, and a good 7,000 rpm module, with the remote coil, no ballast wire or resistor, and with a good set of spiral core wires, . Dec 15, 2019 · The HEI module has the dwel programmed in and is not adjustable. what kind of tach? MSD 8401MSD Details The modified HEI Dust Cover allows you to remove the stock HEI coil in your distributor cap, and replace it with an externally mounted coil such as the Blaster 2. Jul 13, 2017 · - replacing the stock coil with an MSD HEI coil, went to 6900 rpm - Accel & DUI, HEI coils, were within 1% of the MSD coil. " Based on WHAT??? Seat of the pants "engineering" or speculation or 3rd party hearsay, or the DFL factor. But I've got some questions here. Jan 29, 2016 · In the late ‘70s and early ‘80s when CD ignitions started to become prolific it was obvious that E-core coils used in the GM HEI systems exhibited more spark energy on plug electrodes than the Blaster canister coil. below is straight off the MSD site. 00): Are you replacing a large cap HEI distributor with this small-body HEI? If so, do you want a pair of HEI wire adapters so you can run the round coil with the HEI feed wire terminals? See pics I sent you: PAYMENT MUST BE INCLUDED WITH THE DISTRIBUTOR. MSD is a brand that makes fully encapsulated distributors, performance replacement distributors, and electronic ignition control boxes to run different distributors of their own brand or others. ,The MSD HEI Coil is designed for use with the MSD High Output HEI Module, PN 8364. it ran fine under throttle and deceleration, but at cruise it would surge pretty bad. Easily installs to non-computer controlled (4-Pin) HEI housings Built-in This coil is a direct replacement of the stock coil and offers increased spark energy when used with the MSD HEI Module, part number: 83647. Feb 6, 2019 · I had a regular old style MSD Blaster coil last only about 2 hours about 15 years ago. They mount directly in place of the factory coil and accept the factory connectors for an easy installation. 7's at 137 in street trim, DOT's thru the mufflers. A ZZ4 HEI will work great on almost anything. , I have bought 5 of those Chinese Billet Aluminum Distributors, Cap, Rotor, Coil from $35-58 complete, ready to drop in on eBAY over the last 8 years and have had no trouble from them. Oil started leaking out of it. I swapped it over to the Elky, which has been in for the past 8 years. The msd box take the signal from the dist and uses it to amply the spark by adding multiple sparks under a certain rpm and by supplying more power to the coil. Points vs. Feb 23, 2024 · "The Chrys ECU uses an inefficient canister coil & 0. Oct 2, 2000 · MSD has slipped over the years, the Chinese labeled ground wire off the coil was pinched and frayed out of the package, and the terminal connections were soldered past the point to where it they had to be tweaked to fit in the groove on the MSD cap. However, I am not suggesting that MSD can do no wrong. They offer a quality designed alternative to the bottom bargain parts that spring up in the marketplace. Jun 4, 2005 · well maybe not much help here, but i put a MSD ready to run hei and blaster 2 coil in the wifes '71 bronco. ) Protect your engine from overrevving with this MSD Super HEI Ignition Kit. Back when msd came out with the hei coil and moduel it seemed to work well. JMO, YMMV Fact: back when cup & busch & truck still ran distributors, they ran a redundant system: Dist with Two pickups, Two coils and Two CDI boxes along with some clever wiring to permit instant switching from system A to system B. I am a Rookie so I need some more help here. The other nice thing about the PerTronix is that it is ALL contained inside the dist cap, no external boxes. autos. I've been using the Pertronix Flame Thrower coil in my MSD Pro Billet HEI distributor for a couple of Figure 3 HEI Vacuum Stop Plate, PN 84281. Using upgraded components, the HEAT produces high output for stock and MSD applications plus has a built-in rev limiter that is more accurate and easier to set with the engine running. stock Gm coil vs a Ford coil for the single point. Jan 29, 2012 · i was able to hit 6500 with a junkyard HEI in my Nova with nothing but a new cap and rotor. EDIS I don't know about, some Ford deal? Stock = HEI to me. STREET-FIRE. The MSD HEI Coil is designed for use with the MSD High Output HEI Module, PN 8364. 3. The add on module takes the heavy current load off the little HEI module and you can run all the coil Jul 27, 2000 · Use the MSD 6 AL plug directly into the mag trigger in the HEI and bypass the ign module all together. Stock HEI on both my sons car with Davis Parts. May 14, 2008 · msd Last week I removed the GM HEI from my fastburn and installed MSD dizzy, coil, and 6A box. 040-. Jan 14, 2011 · One of MSD's solutions to the GM HEI's common problem of power loss and lack of response above 4,500 rpm. 21. The coil is in the cap and the module in the base. Crane XRi units,6AL vs. Aug 8, 2016 · The HEI was slower by 2 tenths in the 1/4 mile vs the point. On the MSD they fit perfectly, with the DUI they did not snap in properly and I had to call them back an order there live wires. Oct 30, 2013 · B est to use those parts in ANY stock GM HEI, would give same as the Accel, MSD mentioned above. I'm assuming you're hooking up the MSD box to the HEI distributor, and using the stock inductive type coil in a CD type application. Nov 19, 2017 · That said, MALLORY Uni-Lite systems like a few things, like double ballast resistance, dead stock coils, smaller spark plug gaps, good magnetic suppression, spiral core wire sets, and, they are by no means, even close to an HEI system, they make stock point levels of spark volts, NO MORE. 035" for that deal. Mar 26, 2013 · The MSD module also handles the spark switching like the HEI or Motorcraft module do, but the HEI or Duraspark do not amplify the spark. Oct 4, 2010 · But if you want reliability, think twice about running the 65KV coil in your stock HEI. The stock HEI coil just don't cut it. The E-core dual connector and TFI coils feature epoxy-filled construction and maximum output voltage. Aug 18, 2020 · Best result for these coils, MSD makes a "coil adapter", a cap that replaces the in cap coil with a high tension terminal for a separate coil wire, so a round, oil filled coil may be mounted off the distributor. Features: Soft Touch Rev Control to protect your engine from overev damage MSD Street Fire Coils. 055" [ 0. A bonus for the the stock HEI is a Davis 4 pin module, and there coil. These "stock appearing" units are peaked and tuned to provide ultimate reliability and strength to run circles around the competition. This coil is a direct replacement of the stock coil and offers increased spark energy when used with the MSD HEI Module, PN 83647. The Chevrolet HEI Distributor is a favorite for muscle cars, street rods and even circle track racers. I now run . 035" plug gap. Mar 26, 2013 · My 360's HEI works wonderfully, and if it ever breaks I can go to any local parts house and grab stock HEI ignition parts from any 80s+ Chevy. I found the MSD system in the back of the Bronco on Saturday in a box along with MSD wires. HEI uses an efficient E core coil that supports 0. Spark Plug Cables - Ive always run Scott and they have been flawless. Looking closer at the distributor on the motor, I see some text that suggests that the distributor is a remanufactured distributor. It made a major difference in bottom end performance! From idle to 3500 its a new motor. An externally mounted coil helps remove some of the heat load but the only sure way to run high KV and keep it reliable is an add on module like the MSD. The cars with HEI coil-in-cap systems didn’t have the problem. I HAVE NO IDEA WHERE THE MYTH STARTED THAT PRO-COMP BUILDS MSD DISTRIBUTORS, BUT THAT BIT OF INFORMATION IS COMPLETELY FALSE/INCORRECT. MSD pro billet distributors are similar in some ways, except both the "module" and the coil are external. Mar 10, 2009 · my friend's car ran the same with a stock hei, as it did with the added external msd coil AND 6AL MSD BOX. I have tested HEI vs. My 70 setup MSD crank trigger crab distributor , Crane cams CD black box. Layer shorting is the insulation between all the wire windings inside the coil disintegrates, and as it does, takes the modules out from resistance changes, only when the coil is at full operating Sep 20, 2023 · The MSD Ignition Coil is designed to produce high amounts of current, which is necessary for optimal performance. I have had many failures with aftermarket HEI stuff, so much that i now only run old factory stock coils and moduels and distributors. and not one gives you any extra performance edge at the dragstrip or on the street. just avoid the junky aftermarket coils and modules. See full list on autoactuality. Feb 23, 2022 · Truth: “This is probably the oldest HEI distributor myth of all,” Steve quips. Knowing the importance of a centrifugal advance in a distributor, MSD engineers made sure the Street Fires include an MSD Blaster 3 Coil PN 8223 YES YES MSD HEI Coil PN 8225 NO YES YES YES MSD Blaster Ford TFI Coil PN 8227 YES YES YES YES MSD Blaster GM Dual Connector Coil PN 8226 YES YES YES YES MSD Blaster SS Coil PN 8207 YES YES YES YES MSD 6 HVC Coil PN 8250 (Use only with 6 HVC Series Ignitions) NO NO NO NO MSD Blaster HVC Coil PN 8252 YES YES YES YES MSD Feb 17, 2007 · Ebay Chinese 65,000 volt coil and HEI Distributors Respectful of those that swear by Pertronix, MSD, Accel, original GM etc. the newer stuff no so much. What wires go installed on the coil + and - Any help is appreciated Find MSD Street Fire HEI Distributors and get Free Shipping on Orders Over $109 at Summit Racing! Street Fire HEI distributors are the value-line brand from MSD Ignition. PRODUCT Jan 28, 2018 · Many youtubes showing the spark from various ignition controllers. 080" plug gaps ]. By matching the coil specifications with the modules, MSD delivers more accurate timing and dwell control. 060" plug gaps [ some engines came with 0. The lower amperage draw actually results in a much cooler running HEI coil. A quality inductive ignition is both adequate and reliable. 035" on about all of the HEI stuff. Dec 9, 2013 · (stock iron heads) 97 Z28, 6sp. This coil is a direct re­placement of the stock coil and offers increased spark energy when used with the MSD HEI Module (Part # 83647). Go for the external mount blaster coil, according to Igniton man, the In cap coils are lame due to excessive heat. May 25, 2013 · What comes in every 6 series MSD package is a wire set that connects to the magnetic pickup and MSD box, while removing the HEI module. MSD vs. Ignition Module This all new Heat HEI Module supersedes the current PN 83645. 0° 14° 17° 5° 8° 11° 14° 17° DC B A D B C A 14° 11° 8° 11° 5° thru 8° thru thru thru 0° 22° 25° 13° 16° 19° 22° 25° C B A MSD PRO-BILLET HEI PN 8365 STREET FIRE HEI PN 8362 D B C A 22° 19° 19° 16° 13° 16° thru thru u thru STREET FIRE • WWW. 1 Compression On the HEI I did have a rev limiter and will be doing the same but considering moving over to a MSD setup. MSD HEI's are way over priced for what you get. Big difference. This coil is a direct re­placement of the stock coil. (using MSD distributor, a special module from Edelbrock and an MSD 6AL to go along with their original ProFlo injection system) The recommended coil was a Blaster MSD TFI 5. The coil is also built with a high-quality insulation system, making it resistant to heat and wear. The premium epoxy-filled construction is designed to withstand harsh race applications as well as the wear and tear that daily usage dishes out, and still deliver more spark energy to the spark plugs. the plate the points mount to was real sloppy. Mar 29, 2012 · Run the HEI. Dist is currently locked out and timing set to 38* @ 2500rpm. 1 PC SHLPDFM Replacement Coil Replacement Ignition Coil 65k Volt 90Ohm Fits for Chevy Gm Sbc Bbc Amc/Jeep Ford Hei 262 265 267 283 302 305 307 327 350 383 400 396 427 454 MSD 5527 Street Fire Ignition Coil MSD Black Individual GM HEI Ignition Coil Shop All MSD. 1. Accel Vs MSD Ignition Coil May 1, 2009 · An MSD is just a regular CD ignition in the power range, 3000 and up. Mar 7, 2021 · Hey all! I've been burning through caps and rotors on my truck every 3-5k miles. Additionally, the MSD Ignition Coil comes with a warranty that covers defects in materials and workmanship. “First, HEI coils only draw two to three amps. Some people who changed from the HEI coil-in-cap to the remote coil with a MSD Blaster started having nitrous backfires and Aug 17, 2002 · C1 & C2 Corvettes - Pertronix vs stock GM HEI - I posted a thread on the newsgroup alt. 4. 99 out of Jegs. i put the module and coil in at the same time, so i can't say if one of them or both of them contributed to the extra rpm's. Direct performance replacement for GM HEI coil-in-cap distributors; 70:1 turns ratio and lower primary resistance produce high voltage output; Full power sparks to 9,000 RPM when used with 83647 MSD HEI Sep 23, 2012 · The older "7" series MSD boxes were not reliable. They also offer a special coil cap cover that allows you to use a remote mounted coil if you choose to. I was working on a customers' 95 Dodge Dakota 5. This is with CD boxes driving the coils in all cases. The premium epoxy filled construction is designed to withstand harsh race Apr 4, 2019 · MSD’s Pro Circle track HEI distributor. 95 Slicks / 11. Now you can replace your stock coil with these high-energy unitized coils for HEI distributors. Maybe it was from vibration, I dunno. Honestly, it was overwhelming to a novice. 23 Radials Jun 25, 2009 · That was a carbureted 350 with the external-coil HEI. Only the Pro-Billet Ready-to-Run and Pro-Billet HEI Chevrolet models can be used without an MSD Ignition. carcraft May 24, 2016 · The car currently has an msd pro billet on it with the msd 6al and coil. Basically Would a 65k Hei unit be more than okay with my build. com Is it worth it to go for MSD ignition coils over stock? Most often it’s a Mustang, Charger, or a ‘Vette owner, like ~80% of the time. That is in air (not high cylinder pressure) and doesn't always account for dwell vs rpm (less coil charge-up time. He broke off the + stud on the coil that came with the kit. Feb 2, 2003 · HEI (High energy igniton) uses an internal module to power the cap mounted coil. I have heard of an increse in quality issues recently. The Stock HEI works well enough on mostly stock to warmed over engines. 10 gears ZIP locker up front Detroit out back. With aftermarket modules & coils, & now plug gaps increased to 0. Jan 21, 2021 · A good HEI is considerably more reliable than MSD/CDI and HEI bits are usually available in stock at your FLAPS. From there, any coil can be used to complete the system, epoxy junker coil in the cap, or oil filled round coil off the distributor, and MSD also makes the adapter that removes the coil from the cap, so the HEI owners now have a choice to replace their stock coil with the MSD High Energy Unitized Coil for GM HEI Distributors. I seen guys use a points distributer to trigger an MSD or Mallory control box. an MSD module and and old used Mallory HEI coil put me up past 7200. They have low-inductance, high-temperature windings which charge the coil faster to give you increased spark energy at higher rpm. 963 @ 119. Nov 7, 2004 · From jegs website, "Installation: Most MSD Distributors must be used with an MSD Blaster Ignition, 6, 7, 8 or 10 Series Ignition Control. I wanted to simplify it by going to hei, but if I am going to have a major power consequence I wont mess with it. And, FACT, their 50,000 volt coil is no more than a cheap copy of a stock HEI 18,000 volt coil. the stock dist was pretty worn. Jun 25, 2006 · We analyze 10 common myths regarding HEI (High Energy Ignitions) distributor system including ones regarding internal coils, billet housings, performance gains, vacuum advance, and plug wires Oct 5, 2010 · I'm debating which road to take. 045 maximum, and this is what was and is used on all ZZ Dec 8, 2004 · An HEI uses a large cap with a built in coil and has more than 1 wire to it. It does not REQUIRE a wider gap. I have ran two or three Chevy HEI units, a Summit multi spark box, and now an MSD 6a box. It will Aug 2, 2009 · I had to purchase everything for it to include a new coil, good used motorcraft distributor, and the CDI box. Dec 9, 2011 · If you want a rev limiter,MSD sells a module for the HEI that has one built in and it replaces the stock module Ignition marketing is a bunch of hype. Jun 14, 2012 · Re: Replacing factory "points" distributor setup with MSD setup I like simple myself. Just setting this up to run on 91 octane pump gas and running it on the street. 54 bone stock, low options (delete radio), PS/PDB, hubcaps. I like the idea of the MSD style system because it is cleaner, purchased as a kit and ready to install. Ok I found my stock distributor. Hard to find the old modules. How do I install it back finding the #1 spark lug, proper location of the vacuum and #1 piston up 2. May 4, 2007 · I've run a modified HEI with an MSD cap-a-dapt set up for years in my Chevelle before getting an MSD billet distributor. Oct 4, 2000 · I have used the 6AL with an HEI and loved it. Remove slack on shaft lower , add a good cap and rotor your set. Tim Reese Maine beekeeper's truck: '77 J10 LWB, 258/T15/D20/3. It will work with stock ignition modules, but for maximum Aug 18, 2009 · The HEI will SUPPORT a wider plug gap than the points-style ignition. the hei was a straight swap. I could go any of these directions, depending on the last discussion I walked away from reading last. 01 @ 115 on a 100 shot. 050 plug gaps and a true 32,000 volt output to the plugs (more than adequate for the properly set Apr 28, 2009 · What is (is there?) the biggest advantage to going to the MSD ingition? I currently have an Accel coil on a stock HEI distributor. COP is good because there's way more time for the coil to recharge at RPM. I took out the distributor and did not mark the hole when I pulled it. The kit allows you to remove or bypass the low-powered HEI module and coil and replace them with the MSD Digital 6AL Ignition Control and the Blaster 2 high output coil. The MSD HEI modules feature special circuitry to produce 50 percent higher coil drive currents than stock modules, resulting in higher spark energy at racing rpm. Less money and the same power than going with MSD. I have had exactly ONE MSD spark-box failure (MSD-5 from about 1978) that I could blame MSD for; the box was about eight years old at the time; and MSD charged me either $25 or $35 (I forget) to set it right. Jun 15, 2021 · In the past I ran an HEI distro on a Big Block Olds but now putting the following together: 1981 454 engine Edelbrock top end with performer heads 10. MSD Street Fire coils will improve the performance of your late model GM or Ford vehicle. Dec 2, 2006 · Numerous Pro-Comp HEI failures have been recorded on many web sites, and problems with warranties, etc. . difference in the MSD controlled ingnition verses the stock HEI. HEI uses a magnetic pick up and control module to trigger spark at the coil, voltage is alot higher than a points set up. But I run factory HEI with Factory modules. the coil was so hot you couldnt touch Aug 9, 2023 · I’m Upgrading the 1981 Monte Carlo’s ignition with the MSD 83647! I'll walk you through how to replace the original HEI ignition module in a GM HEI distribut Oct 29, 2014 · A repetitive theme around the topic of power while searching on TC has been around moving away from points. MSD 6 ignition box. Jan 12, 2023 · HEI module and condenser/noise filter gets removed, leaving just the magnetic pick-up. Jul 28, 2012 · Thanks for all the help. showing a cheap mad and a good msd distributor Jan 14, 2006 · My 502 was in my Nova with a GM HEI with MSD 6AL and the related internals for the MSD box, Moroso super coil in the cap, MSD Cap and rotor, Moroso HEI Curve kit with one med and one light spring, 12 initial/38 total with NOS that package went 9. HEI,etc. 035 to . Last I checked they were under $200 at the Jun 6, 2011 · Thinking I had an MSD ignition system, I ordered new HEI wires and new MSD cap. JMO For mildly modified engines, the Mallory HEI's are a great bang for the buck as previously stated. There were a TON of discussions around HEI vs. I always replace them in pairs. I replaced the coil, module, rotor, and cap with MSD parts. It is a cap the replaces the stock coil and uses a points style coil of your choice that can be mounted on the firewall. All this with readily available at any good auto parts store parts, good reliability, and more spark output than a stock HEI. WARNING: If your vehicle is not originally equipped from the factory with an ignition ballast resistor or loom resistance wire from the ignition switch to the coil (+) terminal, you must install a Mallory Ballast Resistor (PN 700) between the ignition switch and the coil (+) positive terminal. Image courtesy Holley. stock distributors with Unilite conversions vs. Mar 18, 2010 · Nor Cal- the Pertronix does the same thing as the HEI, except it fits in your stock Ford type distributor and requires an external coil. However, when it comes to performance, the stock HEI falls short. 2L (318) and seen the HEI coil set up on it. Cost me a good bit because of the brand, but I still have the CRT, but only for emergencies. Oct 20, 2012 · I ran points for decades and even checked spark voltage on stock single point vs the stock GM big cap HEI from the late 1970's all tested on a Big Allen oscilloscope. Works with non-computer controlled (4-Pin) HEI housings. MSD provides a short wiring pigtail to extend the pick-up wires to outside the distributor, where you just plug into the MSD box mag pick-up wire harness. The benefit of using the MSD box with a stock setup is that you can just unplug a few wires and drive home if the box fails. Part # 5525. Sep 8, 2018 · You know there is a lot of truth to that statement I've had a couple mad set-ups over the years that the stock hei setup rans better on in m not saying they are never needed but they were makei g some big numbers in the late 60s without msd dizzy and box a good pertronix and coil works really good Jun 29, 1999 · If a PerTronix is installed and a high voltage coil such as MSD Blaster 2 or PerTronix new Flamethrower (40,000vt) is added, you can regap the plugs from . In stock | Estimated delivery Jan. after being dissapointed, he went back and read the literature, and it doesn't say anywhere that it will make more power, just smoother idle, easier starting, better mpg Dec 1, 1998 · We test a Stock Point, Stock HEI and a Aftermarket HEI on a 350 small-block to measure what ignition generates the most horsepower in our Ignition Performance Test Shoot-Out. This kit fits all GM V8 engines with a GM HEI internal coil distributor and includes everything needed for more power, easier starting, increased rpm range, better mileage and overall performance. vqvff jrpdvqd zydjg zacaxpw erfflhze uwxv qnxhjq tloqhaw lnwbr kmuj