Hei module with points. Sep 18, 2019 · Click on the link below for no...

Hei module with points. Sep 18, 2019 · Click on the link below for notes on the GM modules and notes on how to determine the correct type is being used. Actually the zener may not even be needed. There are many ways to do it. I have a 38 Plymouth coupe with a slant six that moves right along. Link to the wiring diagram I have The ONLY real and true HEI ignition systems use the General Motors design HEI modules. 5 ohm coil, which may contribute to the better spark of the HEI. 7L, 4BL, V-8. The pickup units also go bad with age but are fairly easy to change with the distributor out and disassembled, usually the wires from the piskup break or the insulation protecting the windings deteriorates. You could Jan 28, 2026 · The High Energy Ignition (HEI) system revolutionized automotive ignition, replacing older points-based systems with a more reliable and powerful electronic solution. . The old Ford modules work opposite the GM HEI module, and can be used with points distributors. Oct 15, 2014 · Chrysler HEI- theory & testing Page 1 of 1 Page 1 of 1 Home » Board index » Tech Q & A In contrast to points, HEI ignition is considerably more maintenance-free. Clear HEI ignition wiring diagram with labeled components and step-by-step connections. I know there are a lot of cheapo ones on the net on ebay for like $12 to $15 bucks and stuff but I have done some digging around and Aug 1, 2007 · Used by Pontiac in the '60s and marketed as its Transistorized Ignition system, it was fairly complex and used an electronic module to trigger coil firing instead of conventional breaker points. The HEI Questions for the group as far as preference and reliability? HEI or Points? If HEI what are you using? Pertronixs or HEI distributor? And one last question? What is the length of the distributor shaft? I feel like mine isn’t going down far enough to engage the oil pump. I have a 1986 GMC Safari with 4. Oct 29, 2013 · Here's the drill. Mine is the common 4 pin design. ) Is it better to go ahead and buy the whole distributor with everything HEI-wise already installed (like the ones MSD or Summit sells), or should I get a conversion kit (i. This module was built & this video filmed for a forum, hence the lack of introduction. Dec 11, 2017 · Since diagnosing the module, pickup, and the coil of an HEI distributor is a little trickier than an old-school points distributor, we checked in with the folks at Performance Distributor to get some diagnostic input. The old stock Delco's never failed me like aftermarket stuff. Aug 19, 2020 · Yea, That's right I am DONE with HEI. For those looking for ECU controllable HEI modules, s I teased this concept in my Mopar ignition systems video, and have been asked many times since to explain it in more detail. Find all the details inside Circle Track Magazine. This project is to adapt a General Motors High Energy Ignition (HEI) module to provide spark for any Kawasaki KZ motorcycle originally equipped with points. I've been running the stock points distributors in all of my GTO's for the past 35+years with zero failures. howstuffinmycarworks. PerTronix HEI Performance Ignition Modules are direct replacements for popular GM and Ford electronic distributors. Ensure you are getting the best performance out of your ignition system. Also don't know if using the HEI module with a typical 4 ohm points coil/ballast resistor is of any benefit. May 15, 2025 · What does HEI distributor mean? HEI stands for High Energy Ignition, an electronic ignition system that produces higher voltage output and extends spark plug life. Model specific subject matter experts, classified ads and more. Jan 23, 2021 · There are pros and cons to both hei and points. This test rig is being used to actuate points in order to trigger a 7-pin HEI module for adaptation to a motorcycle. May 28, 2025 · The HEI module has been adapted to many other ignition systems, and can work with a Ford or Chrysler electronic distributor. This setup is often used to upgrade older vehicles with points-based ignition systems to the more reliable and powerful HEI system. Another unique feature of HEI is a dwell period that responds to changes in engine speed. The task previously accomplished by fragile points is taken over by a reliable solid-state electronic module that can May 7, 2025 · People have even figured how to trigger an HEI module with breaker points—you still have rubbing block wear, but you get the other big benefits. In order to use an HEI module with points, a small adapter circuit is required between the points and the HEI module. Jul 25, 2020 · The GM HEI distributor was a wonder of the time. The HEI distributor consists of a control module and a magnetic pickup inside the housing that replaces the previously used contact points and condenser. In addition, here are a few things to note: '75 to '79 ('75 to '85 Canadian) used 4-pin modules. Other recent HEI ignition discussions generated a question on it's theory of operation : from the internet; Another unique feature of HEI is a dwell period that responds to changes in engine speed Aug 1, 2003 · Like the coil, racing modules are made by most ignition manufacturers, but use the four-pin plug format almost exclusively. Application Buick Nailhead V8 (264-425) Features An HEI distributor contains its own module and coil. HEI Conversions Finding an HEI Distributor There are a couple of choices here, new or used. The seven- and eight-pin modules are used on early computer-controlled engines that use fixed-timing distributors. HEI 4 pin ignition module being used to trigger the MSD Pro Billet distributor with the magnetic pick up in lieu of the traditional MSD box that is required to run these types of distributors. I think this problem out ranks the faulty ignition module units found in distributors of all brands. The Rev Limiting Module from Performance Distributors is a direct fit into any HEI distributor. Jul 13, 2012 · In a points distributor, the points open to collapse the magnetic field in the primary windings in the coil, acting opposite to an electronic distributor. 0 to 14. The HEI system, or High Energy Ignition system, is a modern upgrade to traditional points-style ignition systems. If the points are closed while the ignition switch is on and the engine is not turning, the ignition coil has full current through it. Jan 16, 2006 · HEI Electronic Ignition Retrofit How-To Page 1 of 1 Page 1 of 1 Home » Board index » Tech Q & A How to wire up HEI modules All five explained with diagrams GM distributor 3 4 5 7 pin Ignition coil You've Been "Lied" To: Mix Screws & Vacuum Gauge (The ACTUAL Way - Demonstrated) Jan 31, 2010 · The 4 pin HEI's don't supply advance, though they do have a unique, efficient method of controlling current and dwell to the coil that's a big improvement over points. This Module is a performance replacement for GM’s 4-Pin HEI Module. Choose from 5 different modules depending upon your OEM distributor type. They look like points distributors, are small in diameter and use small stock round coils. Drop-in electronic point replacement systems, and new build distributors that use drop-in point replacement lower performance level electronics are NOT an HEI, no matter what coil, and/or input voltage those systems use. amazonaws. The Ford or Mopar electronic boxes are limited with either a resistor wire or large ballast resistor that limits the voltage to the primary side of the coil to around 7. In order to prevent damage from this condition, a "time-out" option has been devised. Jun 14, 2021 · I know that might sound strange, and although the HEI was initially a General Motors ignition, many fans of Mopar and Ford realized this as a great upgrade, and Performance Distributors stepped up to the plate to deliver non-GM HEI-style distributors. Sep 12, 2006 · I want to swap out the points distributor on my 1969 Camaro and put in an HEI distributor. Ask the guys on this forum and others how many times their HEI brain or module has left them stranded. It'll be a lot more often than the points-equipped car. Dec 28, 2012 · Here is a Pontiac HEI distributor diagnostic chart. Feb 29, 2020 · GM Hei ignition modules by AC sports » Sat Feb 29, 2020 5:52 pm I've gone through 4 of these on my marelli hei system on a hi po 4 cyl Fiat hill climb car. HEI Distributor Conversion This page describes the installation of a GM HEI (High Energy Ignition) electronic distributor in my '74 Nova with a 350 small block. Some benefits from the HEI swap include reduced maintenance, easier starting, and often a Apr 13, 2025 · In contrast to points, HEI ignition is considerably more maintenance-free. NO more. Thanks to the board, and all its members, I was able to build My bike, and have ridden it 78,000 miles. Find out how to wire an HEI ignition system with a comprehensive wiring diagram. It features a programmable rev limiter for overrev protection. If you have an AMC, a Ford, or a Chrysler distributor with a magnetic pickup, it's really easy to convert to a standard four-pin GM HEI module. 2. Jun 10, 2015 · I have searched every combination I could think of and havent found a definite schematic or written verbiage of how to use an HEI module with my points Sep 15, 2020 · The GM 4 pin module used in the Lucas CEI ignition can be used on its own and triggered by your points distributor of choice. Ballast resistors were required to prevent the points from burning out and potential damage to the coil. Keep this in mind when searching for your donor HEI. Apr 4, 2003 · Improving and modifying your HEI ignition for more power on the race track. Nov 1, 2006 · Read about how to install GM's Advanced High Energy Ignition electronic distributor in 4Wheel & Off-Road Magazine. In this episode, learn more about the GM HEI ignition module used on vehicl Jul 6, 2016 · Learn about the wiring of GM HEI Ignition Distributors with our diagrams and guide. Distributors using 7-pin modules can not be converted to non-computer controlled use since they Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Jul 27, 2004 · They both are non-points and have built in electronic ignition module. The HEI distributor has eliminated the need to do roadside tune ups to a point-style distributor. 0k) but will work with any points generator or vehicle that Sep 20, 2019 · Re: Points to trigger 7-pin GM HEI ignitor. Aug 13, 2018 · 4 pin Hei modules are just a heavy duty solid state switch, dwell control was added along with 3 or 4 pins when TBI/TPI came along replacing the carburetor. Pertronix Ignitor series). The Module will mount in a stock HEI housing (by removing the original condenser assembly) or in MSD’s Pro-Billet HEI Distributor, PN 8365. Therefore, a 4-cylinder KZ will require two circuits. Sep 18, 2014 · Using Points to Trigger an 8 pin HEI module by DAVECS1 » Thu Sep 18, 2014 2:58 am As the title says has anyone tried this? I am thinking about doing this so I can use an 8 pin with an EFi controller to control the ignition on my vair. (The example here is for a small-block V-8 engine, but with exceptions for mounting the module, because A detailed GM HEI wiring diagram guide for understanding ignition system connections, components, and troubleshooting methods for GM vehicles. Should help to isolate some of the "no start" or "poor running" conditions which are sometimes missed as an HEI problem as we look to fuel or electrical problems as the source of the problem. Learn how to wire a HEI ignition module in your vehicle for improved performance and reliability. Jun 10, 2015 · As I understand it, the module takes the current load normally supported by the points, so you should be able to use a . This generates a lot of heat in the coil and some heat in the HEI module. UPDATE 2019 : There is now a version using a 7-pin HEI module. I have an MSD Po Billet distributor # 8361 that works fine with the MSD box. 21 Sep 2019 00:53 #811137 I have a Bill Hahn HEI distributor ignition for the Zed that uses the 4 pin module There are four basic types of HEI control modules: four-, five-, seven-, and eight-pin. This Video explains how the HEI Electronic Ignition Distributor Works. You could also use a distributor with a 5-pin module and replace the module with a 4-pin one. Oct 17, 2019 · From way too many HEI module failures with the epoxy coils in the caps gong bad, slowly causing both their, and module failures, I use the oil filled coils, and the module failure issues virtually stopping when the in cap epoxy coils are changed out. Having a no spark issue on your GM engine? In this video, I show you exactly how to test a 4-pin HEI ignition module — both on the bench and while it’s still installed in the car. Some of the benefits of the MSD ignition module include improved performance and reliability. Whether you This video explains how all HEI ignition modules were originally wired up and how they can be used in other ways for performance. So on today's video, let's do that. Points v. I've been doing some thinking and suspect my switch to solid copper core ht ignition cables may be the issue. By 1978, it had a five-pin unit. You could This module was built & this video filmed for a forum, hence the lack of introduction. Central to the HEI system is the ignition control module, a small but crucial component responsible for timing and triggering the ignition coil to fire the spark plugs. With the exception of firewall clearance problems in various vehicles, this should apply to swapping most any GM points type distributor to HEI. Every year there a HEI problem, or two problems, I went as far to buy the Pertronix match coil and 4 pin module. Jun 26, 2023 · In this video we show an external HEI 4 Pin and talk about the basic benefits of HEI module conversion. Using a set of points to trigger a GM HEI ignition module. Description Replace your points ignition system with an HEI distributor to get better performance, quicker starts, lower maintenance, and resistance to fouling. Mar 1, 2011 · After looking at Pertronix and Crane points replacement kits the other day and seeing a points triggered transistorized ignition kit on a electronics hobby site I got to thinking about using the old HEI module I had laying around. Installation is simple and easy: one wire connects the distributor to 12-volt power. Can running solid copper core ht leads affect the GM type HEI modules? Nov 9, 2017 · I came across a Diagram from MSD that shows the G. I putting the old points distributor back in, and driving it without a care. commore I'll walk you through how to replace the original HEI ignition module in a GM HEI distributor. ;) (WHY do I want to do this ANYWAY??? ** See end of article) STEP BY STEP to convert your Mopar ignition over to a GM High Energy Ignition system. e. HEI eliminated this problem by removing the resistance wire and applying full alternator output to the primary circuit. Learn about the wiring diagram for the GM HEI module, a crucial component in the ignition system of General Motors vehicles. U. Also, no voltage resistor was needed to keep the points from burning. It can also be used on any vehicle incorporating a 12-volt, negative-ground electrical system using a standard Kettering-style ignition system. Much Nov 11, 2024 · Re: HEI Module with points by Jim Sawyer » Tue Nov 12, 2024 10:27 pm Is the reason for using the points instead of a reluctor and pickup coil so that You can have it look stock? I first found the chopperbuilders handbook back in 2004. Sep 23, 2018 · In a points ignition system, as the engine speed increases, the available energy to meet the demand of the spark plug decreases. It's an easy circuit to build and the points will last nearly forever. Details here: https://s3. Aug 3, 2017 · The HEI module is designed to supply the E-core coil with the full-system voltage of generally 14. Useful for troubleshooting and installation in GM and aftermarket systems. Sep 28, 2016 · My favorite DSII trigger- ignition module is the GM HEI partly for it's expanding dwell feature. Some later models used a 5-pin module (for a knock sensor) Computer controlled engines used a 7-pin module When replacing a points distributor, you should use a distributor with the 4-pin module. Most prefer not to deal with points as they wear, quality replacement parts are hard to find, who knows what you’re getting with a 50 year old points distributor and some have issues with higher rpms. Chevy Forums FREE technical assistance for your restoration and repair. About Us : http://www. Aug 17, 2017 · In the interest of reliability, it is best to avoid unnecessary heat generation in the HEI module. Find out how to properly wire the module to ensure optimal performance and functionality. M. Jun 4, 2005 · A GM HEI with the 990 module is probably as good as any electronic ignition you can buy for street use. A new take on the series, highlighting the best and worst of various components. The available 7-pin modules are far more consistent in their operation for a points conversion than the currently available 4-pin modules. Jun 25, 2006 · The HEI distributor is still an inductive-discharge ignition, but exchanges points for an electronic device called a module. A GM Coil can be used or for maximum performance, use MSD’s HEI Coil, PN 8225. Learn step-by-step instructions and diagrams to help you install and troubleshoot your HEI ignition system. What all do I need to do in order to make an HEI work in my car? Just pull the old one and put in the new one and cut the coil wire and put on a plug to connect to HEI cap? I want to do it cheap, but Jan 9, 2018 · The HEI module is designed to work with the HEI pick up, which has a relatively high resistance of 800-1100 ohms [ compared to the MSD, Accel,Chrysler, etc 150 - 400 ohms ]. 3 V6 and factory 5 speed. ) WHAT MODULE are you using? 4-pin? 5-pin? 7-pin, or 8-pin? 4-pin would be by far the most likely. I. Get step-by-step instructions and tips from experts. Low current flows through the points so there's no destructive arcing. Jun 15, 2015 · Had an Accel Hei and it left me stranded 2 times with one bad accel coil and then the module. Mar 29, 2006 · Re: HEI triggered by points VIDEO by polymer » Thu Dec 11, 2008 10:42 pm I'd like to see any variations you find. Of course, going from a worn out points distributor to a nice new unit will show improvements. HEI For a low revving NA small block, would it be beneficial to swap the stock points distributor for a performance HEI one? I see it's a common debate but most benefits of an HEI seem to be for high performance engines, not something that puts out less than 350 ft lbs and redlines at 5k. The four-pin module was used on carbureted engines and uses conventional mechanical timing controls (vacuum and centrifugal advance mechanisms). If it doesn't have a solid connection, the whole unit wont work properly. When this module fails, it can lead to a variety of problems May 19, 2014 · I've heard of people doing a conversion to a GM HEI ignition module and coil upgrade to the 2-stroke golf carts. HEI Distributor Development. The internal coil and ignition module work on a 12-volt system rather than reduced voltage via a ballast resistor. Get step-by-step instructions and diagrams to help you with the installation process. The chart has poor quality photos so I had to Apr 20, 2008 · OK, you asked for it, so here it is…. Jun 27, 2022 · Buy Dragon FIRE Performance Electronic Ignition Module 12v HEI Conversion Kit for Points to Electronic Distributor Compatible with Dodge 361 383 400 413 426 440 V8 B and RB Series Replaces 1381A: Distributors - Amazon. It just acts as a sort of safety device and keeps the voltage at the input below 6v or so but the HEI module should be able to handle much more than that. Sep 17, 2012 · GM HEI module for points Discussion in ' The Hokey Ass Message Board ' started by Steve54ford, Sep 17, 2012. One project circuit is required for every ignition coil. com FREE DELIVERY possible on eligible purchases Jul 3, 2009 · From what I have gathered, if I want to replace everything, I would need a distributor, cap, rotor, coil, HEI module, spark plugs, and wires. Thanks Mike Chevy Forums FREE technical assistance for your restoration and repair. I carried a spare points distributor with wires with me whenever I ran an HEI. Originally, the HEI system was fitted with a four-pin module. 5 volts. And how all of the five types can run just like a four pin module Emperor - This is a GM HEI (High Energy Ignition) 4-pin module wiring diagram for a points conversion. I just like the simplicity of the points setup and haven't felt any gains with any of the so called upgrades. These modules provide enhanced high RPM performance and when used with their corresponding Flame-Thrower coil, substantially increase spark plug voltage. Oct 18, 2023 · What Is an HEI Distributor? How It Works, Control Modules, Troubleshooting, and Maintenance Tips Ignition systems are critical engine components, and one of the pioneer units that helped usher in modern ignition systems is the HEI distributor. Nov 12, 2013 · The HEI distributor is an inductive-discharge-style ignition, but with the points replaced by a solid-state switching device called an electronic ignition-control module. Instead of breaker points and condenser, a control module, and magnetic pickup are mounted at the distributor base. The HEI system met all of its design goals and it was the most advanced of all of the ignition systems to come from the Detroit Three in the 1970s. It was built for a genset (Onan Emerald 1/I BGE 4. Dec 3, 2014 · It's a common mis-conception that HEI provides more horsepower. The quality of the outcome depends on the amount of sweat applied to the details. com/gp When replacing a points distributor, you should use a distributor with the 4-pin module. The 7-pin HEI module can be found on a 1986 Chevrolet Caprice 5. 0k) but will work with any points generator or vehicle that Aug 7, 2004 · Hei distributors also seam to wear the bushings out faster than the old style points so make sure there isn't much wobble in the shaft. But I'm not sure. The task previously accomplished by fragile points is taken over by a reliable solid-state electronic module that can Find HEI Distributor Upgrade Kits In Stock Filter Options, Vendor In Stock Filter Options and get Free Shipping on Orders Over $109 at Summit Racing! Jun 26, 2019 · It should fire an HEI spark tester (larger air-gap than a Points-calibrated spark tester. It features a built-in ignition coil and module, eliminating the need for an external coil. Sep 2, 2024 · Most HEI systems have the ignition coil mounted in the distributor cap. That would require plugging the extra hole in the housing where the connector for the knock sensor wiring used to be. Sep 1, 2001 · Read the tech article on HEI Coils And Modules, brought to you by the experts at Chevy High Performance Magazine. The HEI system produces a more powerful spark, which allows for a wider spark plug gap and better ignition of the air/fuel mixture. That doesn’t mean you can’t get them to perform. Purpose: The purpose of this project is to use the HEI module in order to reduce wear on the points. Introduction: This project is to adapt a General Motors High Energy Ignition (HEI) module to provide spark for any Kawasaki KZ motorcycle originally equipped with points. The HEI incorporates a magnetic pick-up assembly that contains a permanent magnet, a pole piece with internal teeth, and an electronic module. Feb 23, 2022 · The extra pin is connected to a knock sensor. Can someone post a wiring diagram? Thanks How to wire up HEI modules All five explained with diagrams GM distributor 3 4 5 7 pin Ignition coil How to install D. [citation needed] The five-pin module was introduced in 1978 and was an early attempt at electronic timing control; it contains a provision for connecting a knock Mar 5, 2019 · Otherwise, HEI drops right into any vintage Chevy small- or big-block without breaking a sweat. It also eliminates the need for the condenser and will allow the use of lower resistance ignition coils in order to get a higher-energy spark at the plugs. Distributor on Toyota Pickup 22r Mar 22, 2022 · Hello guys I am working with my carb but I had a member on here give me some information about the HEI ignition control modules. I have had excellent luck in a couple builds with the pertronix points conversions. 0 to 7. Learn how to correctly wire a 4 pin HEI module in your GM vehicle to ensure proper ignition and improved performance. It doesn't. No longer was an external coil needed as the HEI incorporated one in the package. cuimb slx fygox jzrx lfjax pzijl pho bofgy cndxl syxd