How Does An Hei Distributor Work

Always use a gasket with the shims. A chain, belt, or gear from the engine drives a "DISTRIBUTOR". The Ionfire system does not collect data, does not have any rev controller element, does not adjust timing nor does it require any modification of the stock ignition coil, HEI distributor, rotary electronic or otherwise or any other component of a race car. Older systems used a points-and-condenser system in the distributor, newer (as in most we'll ever see anymore) use an ECU, a little brain in a box, to control the spark and make slight changes in ignition timing. Cleans up the wiring a lot without the dual ballast and ignition ECU. You can then trigger a HEI module with the trigger in the Chrysler unit or run a straight Chrysler electronic ignition. Does anyone know what might be happening here, is there some trick to this hook-up?. Wouldn't work with a Orange box anyway. Slight change is subject but I believe relavant to the topic! I was with Black Jeep on Sunday as he was installing his DUI. One marked "BAT" and the other marked "TACH". Camaro Forums at Z28. 6667 stars, based on 1 reviews MSD Street Fire is the value-line brand of MSD Ignition. This system consists of a star-shaped wheel on the center shaft, which passes in front of a magnetic pickup. Those systems were called HEI-Electronic Module Retard, HEI-Electronic Spark Control, or HEI-Electronic Spark Selection. The ignition. An HEI distributor is a great piece of equipment for an over-the-road car because it is completely self. The idea behind the HEI system was great, to incorporate an electronic ignition module, magnetic trigger device and ignition coil into a single assembly that would deliver a hot spark. The rotor spins past a series of contacts, one contact per cylinder. One of the technologies that enables this long maintenance interval is the distributorless ignition. (Try quick setting JB Weld). Is there any way to know if my 85 Oldsmobile Cutlass Supreme w/ a 305 Chevy has an HEI distributor? I bought a fancy HEI clear, translucent distributor cap/rotor kit for my car and just thought now that I should’ve made sure I have an HEI system first…if I don’t have an HEI distributor, is there a way I can modify my curren. having a couple hei distributors lying around for the 300/240 i wanted to put one on my 95 w/efi yet realized that it may not work due to the cam position center integrated into the distributor and the hei distributors i have, have the 4 pin module could i upgrade to a 7 pin module and adapt to the computer controlled timing and signals. Just use the HEI as it is and hook the tach (blue) wire to the HEI. The product line ranges from distributors, distributor caps and rotors, to spark plug wires, ignition coils, one-wire Ford alternators, and Dyna-Batt batteries. I am using an HEI style distributor locked out, you have to lock out the timing otherwise the inputs for the fitech will stack on top of the HEI timing curve. In the case of the HEI, you can actually purchase an adjustable vacuum advance canister that will allow you to custom-tune the amount of timing advance. MSD Pro-Billet Chevrolet HEI Distributor PN 83651, PN 8365/83653 WARNING: Before installing the MSD Distributor, disconnect the battery cables. do i scrap the green and the two wires through the loom that connect to the coil and connect the orange and purple or do i scrap the orange and purple and just connect the two from the coil to the new distributor. This method requires that you get a GM Large Cap HEI distributor with the 4-pin module in it. Another way to do this is to make the mark for #1 on the distributor body like explained above, then with the distributor out of the engine, turn the rotor counterclockwise about 2" from the #1 mark made earlier. Because FORD did not use this heavy of wire for the OE distibutor, you may want to replace it with the red 12 ga. In summary: Orange wire at the distributor connects will connect to the orange wire at the ignition module and the purple wire from distributor connects to purple wire at ignition module. I have a 1970 cj5 with the buick 225 V6 Dauntless. All the screw does is change what vacuum level the 18° is reached. Chevy Hei Distributor Wiring Diagram Free Within Hei - Saleexpert, size: 800 x 600 px, source: saleexpert. Chevy Hei Distributor Wiring Diagram Free Within Hei – Saleexpert, size: 800 x 600 px, source: saleexpert. We wired the HEI module and coil according to the schematic, grounded the steel plate, the HEI mounting plate, and the distributor all to a 12-volt battery, and spun the distributor to create a hot spark right off the coil wire. These can be found at any local auto parts store. You may have to register before you can post: click the register link above to proceed. The old plug wires will not work with an HEI. I would recommend a new 2-wire distributor as it does not require modifying wiring. The 75 series HEI uses a Module with a Rev-limiter - Module Part #699. The pick-up/module change is around $50 and your labor. We give our HEI Distributor a tune-up in the February 2013 issue of Car Craft Magazine. Built A HEI Distributor. This work by All Acronyms is. GM always installed the distributor in a specific orientation, and always used the same distributor cap "tower" for the #1 spark plug. The design is conventional with the contact breaker points mounted on a movable plate, which in turn sits on a fixed baseplate. All the screw does is change what vacuum level the 18° is reached. Slight change is subject but I believe relavant to the topic! I was with Black Jeep on Sunday as he was installing his DUI. Loosen the clamp at the base of the distributor until you can turn the distributor with your hand. These can be found at any local auto parts store. Basics to High Performance. The 8 cylinder HEI distributor is the cheapests to acquire, you can get them for about $40 on up. Its first job is to distribute the high voltage from the coil to the correct cylinder. No modifications or problems. Its two main roles are to create a spark strong enough to ignite the air/fuel mixture for combustion and to control the timing of the spark plugs by opening and closing the ignition coil ground circuit. What is the abbreviation for High Energy Ignition? What does HEI stand for? HEI abbreviation stands for High Energy Ignition. Those pulses were, like in the GM HEI, generated by the ignition module from input of the pick up coil in the distributor. type of distributor, and a four pin HEI module (Standard ignition pn # LX-101) or equivalent, no ballest resistor is needed. Tuning Software. GM Small HEI Ignition With Sniper EFI If this is your first visit, be sure to check out the FAQ by clicking the link above. I installed a Duraspark distributor with a GM HEI module and a E-coil, Car runs but the tach does not work. rear of the radio. Custom Distributors, Ignition control Boxes, A/F ratio systems, NOS controllers our FBO Technical Staff can guide through your complete engine management system and can assist you with tuning your dream ride to perfection. How to Install a 009 (or any) VW Distributor VW Distributor Installation How To The first thing we need to do is put the engine in a firing position for #1 cylinder. Use the ignition as a template and mark the location of the. HEI/ESC Electronic Spark Control used a knock sensor and an electronic controller. JEGS stocks thousands of distributors at everday low prices. Rotate the UNILITE® Distributor housing in the opposite direction of rotor rotation until the nearest slot on the rotor’s shutter wheel is aligned with the optical eye. We’ll do it for you for a few bucks if you don’t want to do it. The HEI system, used on 2. If there is no HEI at the coil, suspect that the coil is defective. Shaggywaggy, how well does that box do in shedding heat? I use an old Pentium II heat sink (pics later) and that box cover doesn't look like it would do a great job? These HEI modules do create a bit of heat. THE ADVANCE SETUP: Centrifugal and vacuum advance. Inside this distributor is a spring loaded contact switch ("POINTS") riding on a revolving cam. You have a non-computer controlled HEI (the mod-ule has only four terminals) with the coil built into the cap. Do not use this very quick unit unless you have a cam/engine combination that really needs an advance like this. The old plug wires will not work with an HEI. We’ll do it for you for a few bucks if you don’t want to do it. The stock module and coil are more than adequate and will work as well as any aftermarket units, provided the stock units are in good factory specified condition. Performance Ignition Systems, Caltracs Suspension, Cometic Custom Head Gaskets. Works like a charm, the HEI style. HEI ignition for a 283. Remove the vacuum hose from the distributor advance unit. My '59 Apache 3600 (w/a smallblock) is in desparate need of a major tuneup. Do you know aviation ignition switch wiring diagram is most likely the hottest topics on this category? This is exactly why were presenting this content at the moment. I never did get a proper tach signal from the ignition module. You should buy a custom set of wires, we used a set of Live Wires from performancedistributors. We give our HEI Distributor a tune-up in the February 2013 issue of Car Craft Magazine. The bat post will go to a ignition switched 12v wire. GM HEI Distributor To Tachometer Connector: Applications: GM HEI Distributors at the cap: Vehicles: Buick Chevrolet Oldsmobile Cadillac Pontiac - Chevy and GMC Trucks: Engines: All: Pin Configuration: 1 female pin connector : Includes: 1 16 ga. A word on the internal coil computer controlled HEI distributors: A computer controlled HEI distributor work basically the same as a non-computer controlled HEI except for the lack of a mechanical or vacuum advance mechanism (some early versions did use a vacuum advance); the ECM determines the advance curve electronically. Fly weights and a vacuum advance control the timing in the distributor. The small gauge wire running to your stock coil isn't large. The coil in this type of system works the same way as the larger, centrally-located coils. Camaro Forums at Z28. The kill switch kit will include: 1 mini-toggle switch, wire, and 10 minute installation instructions. If there is no HEI at the spark plug but it is strong at the coil, suspect a bad plug wire or boot. Put some spark in that ignition with one of many distributors from high performance ignition builders like: Accel, Mallory, MSD Ignition, Pertronix, Proform and more. Re: Factory Tach and HEI Distributor That distributor may just work fine. For the traditionalist that must have an HEI inductive ignition system, or for the car owner that simply does not want, or doesn't have room to mount the extra external components, MSD's new Ready to Run (RTR) distributor will fit the bill. I'd recommend pulling the batt wire from a Buick engine equiped car-the distributor is at the front of the engine, and you will have a long wire to run any which way you want. I would recommend a new 2-wire distributor as it does not require modifying wiring. Chrysler was the first company to offer electronic triggering to the masses; it was available on some models in 1972 and became standard across the board for the 1973 model year. Primary and. Cutting the FiTech EFI’s wiring will cause the warranty to be voided. You should buy a custom set of wires, we used a set of Live Wires from performancedistributors. - Tells you when mech. 9 Ohms Ignition coil secondary resistance = 5K to 10K Ohms" Today, I measured the secondary of one of my coils (did not remove the coil from the engine) and I measured 6. As it has connection that badshifter showed in my hei distributor hook up for 10, the high! Where/How do i know of the distributor to the tach wiring thread. This happens when the ignition coil or module becomes too hot. HEI however, does not work with the tri-power manifold. Do not use this very quick unit unless you have a cam/engine combination that really needs an advance like this. Ignition Systems Cheat Sheet for the Chevy Small Block For our budget-oriented purposes we find that conceptually at least, GM's HEI distributor is a near ideal choice in terms of practicality. The stock HEI parts will get your DUI running in case of a breakdown but they will not provide the same performance as the original DUI parts. do i scrap the green and the two wires through the loom that connect to the coil and connect the orange and purple or do i scrap the orange and purple and just connect the two from the coil to the new distributor. Simply install the distributor in the engine, connect three wires, the coil and MSD 8360 Chevy V8 with Internal Module Distributor made by MSD, for as low as $361. I understand that many guys on these forums go for the $400+ units, but the daily customers that I work with don't have that kind of bread, and they are left with little knowledge and a shabby running engine. All you need to do is hook up the connections per the instructions, to a 12 volt coil (and I REALLY recommend you get a FLAMETHROWER solid pack 12V coil) AND with the HEI distributors, you delete your ballast resistor. Its main purpose is to act as a ground for the electric charge to prevent the two electrodes from sparking with each other. would a vacuum advance be easier or a mechanical my chevy 383 is in a 1970 pontiac gto. You have basic hand tools. The cap and rotor will fit our HEI Pro-Billet distributor, PN 8365, plus will work on stock applications. The HEI system, used on 2. Designed as a plug-in replacement for GM-style fuel injection system distributors. The High Energy Ignition (HEI) used on most General Motors products prior to the use of fuel injection was a hall effect type of distributor. rear of the radio. What is the distributor position on a 1976 Dodge 360 or 318?. Stock GM HEI parts such as a module, coil, cap and rotor can be used on the top of the DUI distributor to replace a possible bad part. In the HEI system, as in other electronic ignition systems, the breaker points have been replaced with an electronic switch, a transistor, which is located within the ignition module. Non-Computer Controlled HEI Setup For Performance This article deals primarily with older-style non-computer controlled HEI distributors. The most common symptom of a faulty ignition coil is when the car runs for a while and the engine dies abruptly. Read honest and unbiased product reviews from our users. His engine has the Performer intake and he had to do some very slight grinding on a boss that's at the front of the intake but that was all. Something like a GM HEI, a Pertronix Ignitor electronic, a Mallory 9000, a Hall effect distributor and many others can be used in conjunction with the 6AL-2. It also has a vaccum advance of max 16 degrees that will only work under vaccum, I think? So this would not affect me when in boost? Is it possible to run this. Check for and burn away debris. Tuning Software. E) Unitized Ignition System. rear of the radio. This project is an ignition module design to replace the stock unit for a 1980 Honda CB 750 C motorcycle using aftermarket GM ignition coils commonly found on Chevy Cavaliers and many other GM cars instead of the stock coils. That's a fine tutorial on how to install a Mopar electronic ignition box, but a GM HEI module creates a hotter spark and doesn't use a ballast resistor. Disassembled HEI (Not shown: roll pin for distributor gear, spring clip to retain pickup coil; screws to retain ignition coil and cover, and plastic grease reservoir seal. Any '74-'80 Chevy HEI distributor will work. In vehicular terminology, the distributor is an important part of a vehicle's ignition system. It even put out it's own tach signal then, but once installed and connected to the distributor I lost the tach signal, but the engine does run. and the new Door Poppers need to be mounted and wired up. You can do it with a stock HEI + hi-po coil but you'll likely have to close the gap way down (. G2 HEI ignition question Does anyone know if this setup will work on a G2? I modified the original G2 wiring diagram to include a GM HEI module and coil to replace the original ignitor/coil. the truck will not start when I disconnect it starts up just fine. Save on MSD Ignition Distributor, Chevy HEI, Street Fire 8362 at Advance Auto Parts. The biggest thing you have to do to add HEI is to run a larger positive lead to the coil. Engineering Explained. 7 ohm (primary) coil with no ballast resistor. A higher value resistor (i. I swapped out the engine in my '76 911 for a water cooled Vortec V6. This is perfect for upgrading from outdated points style distributors or Bulky HEI units. In these systems the timing is controlled an entirely in analog fashion. Previous article How Does an HEI Distributor Work? Next article How Does a Dry Sump Oil System Work? RELATED ARTICLES MORE FROM AUTHOR. It uses an ignition module within the distributor to regulate the timing curve as well. A chain, belt, or gear from the engine drives a "DISTRIBUTOR". There are a number of sources. While the Pertronix system was adequate, the MSD-6AL box has some features that work really well for this application. Stock GM HEI parts such as a module, coil, cap and rotor can be used on the top of the DUI distributor to replace a possible bad part. When I flip the ignition switch ON the tach needle moves to the 0 PRM point which I presume is showing it has power, the light works, however I do not have the most important part the signal??? DEAD TACH!!! I connected the signal wire to the only treminal left on the HEI distributor cap, but I am not sure it the right treminal for this wire. Simply install the distributor in the engine, connect three wires, the coil and MSD 8360 Chevy V8 with Internal Module Distributor made by MSD, for as low as $361. This Video explains how the HEI Electronic Ignition Distributor Works. The power supply for the breaker point distributor is routed through a resistance wire to drop the voltage and prevent damage to the points. I downloaded info on MSD 85551 distributor (some of you may recall that I have had distributor advance problems) which can be locked out but my unsolved query is How do you set the total timing when the distributor is locked out - do you use (at least what was taught to me) the method of bringing it up to 3000 rpm and spot the timing light. There were a number of different kinds of General Motors HEI modules: 4 pin module - electronic ignition, but doesn't do computer timing control, top left; 7 pin module (large) - electronic module that does timing control, used with coil-in-cap distributors, top right. Re: Aftermarket HEI distributors for Fords - any experiences? May 25th, 2012, 01:12 PM I dont think you have to worry about the actual workings of the thing, just seems the cheaper they are the more play you will have in the shaft and start having some issues at higher rpm's. A long with dozens of "Opinions" on the "Best" way to do it. GM HEI Distributor Basics. fishy68,,, what HEI upgrades do you recommend, any particular coil work well with HEI? dgc333,,if I go with a Mopar system,, what are good coil options , with / with out a ballist resistor? motor is ( will be ) a warmed slant six, I have a slant electronic / vaccum distributor, to start with, but I am open to suggestions there to. Primary and. The Pro-Billet Ready-to-Run distributor is the perfect upgrade for outdated points distributors or bulky HEIs. GM HEI Distributor Basics. it came from a car that we swapped a later TPI engine into, with an HEI, we got a later stock 70s tach to use with the HEI, and it worked fine. The engine control unit controls the transistors that break the ground side of the circuit, which generates the spark. Normally I would grab a junkyard HEI and zap the advance plate permanently in place with my MIG. The HEI system was similar to the Unitized system in that it used an electronic control module and pickup coil assembly to saturate the internal coil and trigger plug fi ring. An HEI distributor draws more power than a points ignition, and the power wire should be the same as GM used on factory HEI installations (12 gauge wire) or larger (10 gauge wire). It did away with the conventional points and condenser and used a magnetic pickup. Are there any changes that I need to make in my wiring and connections? The points distributor used a resistance to lower the voltage to the points in the run position to prevent wear on the points. THE ADVANCE SETUP: Centrifugal and vacuum advance. There are two types of Mallory HEI Distributors: 75 series and 85 series units. By this time, the fuel injection computer is also injecting fuel into the engine, which the spark will ignite thus the engine starts! In the next page we'll jump right into the first ignition coil test. Many people will replace a condenser with regular periodic maintenance, just because they have no way to tell how much longer it might last. Some of the images in this article show them off of the vehicle just to make it easier to explain their testing process. Second, make sure all wiring connections are clean and tight, not only at the battery, but also at the distributor cap, ignition coil, and at the electronic control module. Here are a few tell-tale signs that your distributor cap needs to be. 75 SERIES BILLET HEI DISTRIBUTORS INSTALLATION INSTRUCTIONS GENERAL INFORMATION Mallory 75 Series Distributors are similar to GM HEI distributors, but with many advantages over the OEM design, including: • Billet aluminum housing with ball bearings and/or self-lubricating bushings to support the centerless ground 1/2" shaft. For the street, the HEI distributors worked fine, but for the high RPM guys, the HEI distributors didn’t hold up their end of the bargain. In the process of troubleshooting why it wouldn't start, we turned the distributor. Original equipment manufacturers work with distributors to take their products to market. 9 Ohms Ignition coil secondary resistance = 5K to 10K Ohms" Today, I measured the secondary of one of my coils (did not remove the coil from the engine) and I measured 6. the ignition system i am talking about is not a whole distributor. It seems very touchy. You should be able to use the 12v from the carb solenoid to make it work. This is becuase there is so much performance left in them vs. Mercruiser Distributors & Distributor Caps, direct replacement tune-up boat parts, distributors, spark plugs, rotor, condensor and more. Tuning Software. The power supply for the breaker point distributor is routed through a resistance wire to drop the voltage and prevent damage to the points. You may have to register before you can post: click the register link above to proceed. Nylon distributor shims are available from Performance Distributors in thicknesses of. A damaged distributor or worn spark plug wires can deliver a painful shock when handling it with the engine running. Temporarily re-install rotor. MSD HEI Street Fire Distributor, Chevy V8 4. If the distributor cap is faulty then the ignition sequence inside your engine will be out of order. Add-on ignition spark amplifiers allow for the conversion of a HEI distributor system to a VHEI (Very High Energy Ignition) system, further increasing the net output energy of a HEI spark. I'm 73 and ready to do something else. Nothing major. Wondering - when you flip the switch from HEI to Dura, does the timing remain the same? There may be a variation due to the voltage threshhold levels needed to fire the HEI vs the Dura. rev limiter for overrev protection. Overlooking the basics will leave to frustration and unnecessary time and expense. How are you handling the coil wire into the distributor?. The new HEI distributor is the most expensive. For most Chevrolet and Ford engines, this means an HEI distributor is the only option. I just fried my MSD Box, so my MSD Distributor and coil will not work. The computer in the fitech unit has a base timing setting, that should match your base timing so if your base timing is 12. 3L V6 V-6 262 Super 65K Coil HEI Distributor EFI to Carb Swap Black (HEI021BK) a quick 1 wire instillation. He apparently decided to try to save some money on the distributor and bought a Chinese HEI unit that uses the BIM024 style HEI ignition module. Drill your holes and mount your ignition module down. Tip: When you have installed your HEI distributor, its best to widen the plug gap as well. Centrifugal advance assy. Turning the scew does not limit the vacuum advance, it is a fixed 18°. Where can I find the part or can I replace the ignition with a HEI system. the designations on the distributor are tach for one wire and batt for the other. With show-worthy style & finish for small and big block standard deck applications, this distributor's performance module offers a longer dwell circuit and full-coil saturation. Second, make sure all wiring connections are clean and tight, not only at the battery, but also at the distributor cap, ignition coil, and at the electronic control module. Have also heard some methods that were less than correct as to "How to do it". Ignition Systems. There were a number of different kinds of General Motors HEI modules: 4 pin module - electronic ignition, but doesn't do computer timing control, top left; 7 pin module (large) - electronic module that does timing control, used with coil-in-cap distributors, top right. My factory tach will not work with my HEI or electronic distributor. The C4 coil gives the most constant power up to 6000 rpm (if the specs are real) with a HIGH CURRENT feed. Under certain conditions, the switch or control package will ground the wire, which triggers the retard feature built into the distributor module. there are 3 reasons for this decision 1. The engine distributor is out, there are no marks on the balancer or any referance marks on the distributor. The HEI system, used on 2. By this time, the fuel injection computer is also injecting fuel into the engine, which the spark will ignite thus the engine starts! In the next page we'll jump right into the first ignition coil test. Well he was taking it on his longest trip to date with this combination and he lost ignition after getting gas 1 1/2 hours into a 2 1/2 hour trip to a car show. Turning the scew does not limit the vacuum advance, it is a fixed 18°. The distributor is handling high ignition voltage. The 85 series HEI uses the Module Part #607. A HEI Distributor will NOT work with timing control and the Go Street EFI does NOT have timing control as a feature. Since the only change between electronic and conventional ignition systems is in the distributor component area, it is imperative to check the secondary ignition circuit first. sixtyfiveford 89,266 views. The HEI Distributor has been a standard in the world of stand-alone electronic ingitions since 1974. By rerouting the connections between the inner and outer terminals, we are able to keep the necessary firing order your engine needs inside while straightening out the spark plug wires outside. For the traditionalist that must have an HEI inductive ignition system, or for the car owner that simply does not want, or doesn't have room to mount the extra external components, MSD's new Ready to Run (RTR) distributor will fit the bill. The Ballast Resistance must be removed from the circuit to make sure +12 volts reaches the HEI system. HEI-CDI High Energy Ignition with Capacitor Discharge Flare Igniter using a High Voltage Pulse Circuit: The flare ignition wire does additional monitoring, such as, check for water on the spark plug and if water is found it removes it. You should be able to use the 12v from the carb solenoid to make it work. This is done by the cap and rotor. The distributor is responsible for getting the electrical charges needed for combustion within the engine out to each of the cylinders. View job description, responsibilities and qualifications. I'm aware that a factory large-cap distributor will not clear my firewall, so I'm going to go with a small cap HEI distributor. What is the distributor position on a 1976 Dodge 360 or 318?. Their Ready to Run, HEI and E-Curve distributors are great for street applications. How an ignition module works. Good LuckI'm replacing an old point type distributor with an HEI Dist. The whole purpose of this exercise is to replace the ignitor and coil. Installing HEI distributor from scratch!!! Welcome to Club Hot Rod! The premier site for everything to do with Hot Rod, Customs, Low Riders, Rat Rods, and more. Re: Installing HEI Ignition on 3PG Carts Great job Ron, you just saved me alot of time digging through the threads. I understand that many guys on these forums go for the $400+ units, but the daily customers that I work with don't have that kind of bread, and they are left with little knowledge and a shabby running engine. Though the number of cars with distributors has declined over the years, there are still quite a few on the road. Its main purpose is to act as a ground for the electric charge to prevent the two electrodes from sparking with each other. The computer in the fitech unit has a base timing setting, that should match your base timing so if your base timing is 12. A bypass wire was also used to supply the distributor with a full 12 volts at startup. Below are a few of the leading illustrations we obtain from various sources, we really hope these pictures will work to you, and also hopefully very appropriate to exactly what you want concerning the Ford Hei Distributor Wiring Diagram is. GM Small HEI Ignition With Sniper EFI If this is your first visit, be sure to check out the FAQ by clicking the link above. Most ignition companies have an HEI distributor in their lineup. I installed a Duraspark distributor with a GM HEI module and a E-coil, Car runs but the tach does not work. Out of the box, screw turned fully clockwise, it reached 18° at 2. On this page you will learn how to Built A HEI Distributor for the 1960-74 GMC Big Block V6 Engines, using parts mostly form a 1979-78 Buick 231cld (3. You will need a digital 12 volt ignition for the tach input to work correctly. You should buy a custom set of wires, we used a set of Live Wires from performancedistributors. Now with a TBI engine, there is no crank sensor telling the PCM if its running. Gearwrench Ignition Tester Calibrated for HEI Ignitions accurately checks for spark in ignition systems without removing spark plug from engine. It looks like for ford tach require lead from the coil or tach lead and an igition wire. I understand that many guys on these forums go for the $400+ units, but the daily customers that I work with don't have that kind of bread, and they are left with little knowledge and a shabby running engine. The points would open and close to fire a single coil which would produce the spark for the spark plugs. A V8 engine might run 6000 rpm with a single distributor making 400 sparks per second, and you still get a hot spark, so it's no big deal for a 4-cylinder to do 200 sparks per second (or more if you have a heavy foot). - Tells you when mech. I would suggest you use relays to power the coil and controller - keeps both the voltage and amperage up - and if you use a "plug in" style relay, you can isolate it easily for service work. Just to shed some light on the mechanicals it's a Durspark to HEI swap by means of chucking the Duraspark box and wiring a HEI module in it's place. Another way to do this is to make the mark for #1 on the distributor body like explained above, then with the distributor out of the engine, turn the rotor counterclockwise about 2" from the #1 mark made earlier. The first thing to remember that the system needs to have power. HEI should be tested (carefully) with the engine running. Out of the box, screw turned fully clockwise, it reached 18° at 2. A long with dozens of "Opinions" on the "Best" way to do it. 8 L) even fire V6 engine. What it is; two metal plates placed near each other and separated by insulating material such as paper. The distributor also disburses current. G2 HEI ignition question Does anyone know if this setup will work on a G2? I modified the original G2 wiring diagram to include a GM HEI module and coil to replace the original ignitor/coil. We installed the HEI distributor in my son's '87 YJ today. This OEM tach will not work with the old tach feed from the HEI distributor. I converted my distributor on my Chevelle from a point type distributor to an HEI distributor. DO I SIGN THE PRICING POLICY? You do NOT sign our pricing policy - this is a unilateral policy - meaning after the UPP goes into effect all dealers passively choose to accept it. I am running a Stock GM HEI distributor, and it is what i would recommend for a similar swap, I WOULD NOT keep the TBI Distributor, you have no clue as to what the PCM is gonna do without seeing fuel. Hei distributor products are most popular in United States, Canada, and Australia. Hei vs lightsaber   Разработчик: . How to: Install a HEI Distributor I have heard horror stories about folks and even some of out members when it comes to install a HEI distributor. MOUNTING The 7AL-3 can be mounted under the hood, but should be mounted in a position away from direct engine heat sources. Let's start with the coil. When we connect the wires to the tach the motor dies. The ignition system is an integral part of any engine's performance, just a much as the fuel delivery is, whether it is carbureted or fuel injection. The signs of a failing ignition coil include backfiring, starting issues, lowering gas efficiency, engine misfiring, vehicle stalling and worn out spark plugs. Loosen the clamp at the base of the distributor until you can turn the distributor with your hand. Easy 1-Click Apply (HEI HOTELS) Driver job in Waltham, MA. I have a HEI ignition and switching to an MSD dizzy and 6AL msd box. We know this does work, and it can save you a few hundred bucks, but I still believe that the large majority of folks out there are better served to use the Holley Dual-Sync Distributor. These distributors also used both vacuum and centrifugal advance. Replace your stock HEI distributor or upgrade a points distributor using JEGS HEI Street Spark Distributors. Re: Factory Tach and HEI Distributor That distributor may just work fine. Your stock coil might work OK for awhile, but really isn't a good choice. Marine HEI's exist but I do not know as they are real marine parts as they come from no major manufactures. 0L engines, is a pulse-triggered, transistorized controlled, inductive discharge ignition system. You can't just hook up the orange/blue wire to the HEI bat terminal because the HEI needs a full 12 volts to fire properly. The computer in the fitech unit has a base timing setting, that should match your base timing so if your base timing is 12. I believe that this is the way mercruiser does theirs. E) Unitized Ignition System. HEI uses no ballast resistor or resistance wire. I'd recommend tearing it down, cleaning it, and putting it all back together with all new electronics just to be sure you have exactly what you want. It seems to me that some how ignition module is not getting the signal from the distributor to ground out terminal C on the 4 pin module and cause the spark plug to spark. 65kv HEI Distributor for Ford FE Engines. It also has a vaccum advance of max 16 degrees that will only work under vaccum, I think? So this would not affect me when in boost? Is it possible to run this. Have also heard some methods that were less than correct as to "How to do it". The engine control unit controls the transistors that break the ground side of the circuit, which generates the spark. I am at the end of my restoration Campbell Project so the money tree is bare. Re: how to wire my new Hei distributor replacing 10-13-05 06:30 PM - Post# 796218 In response to DragRacer383 Don't feel bad, I have to work on all this ignition stuff while wearing my special anti-alien abduction, anti-scrambled egg tin foil hat. GM Small HEI Ignition With Sniper EFI If this is your first visit, be sure to check out the FAQ by clicking the link above. Below are a few of the leading illustrations we obtain from various sources, we really hope these pictures will work to you, and also hopefully very appropriate to exactly what you want concerning the Ford Hei Distributor Wiring Diagram is. What on the ignition coil does the tachometer signal wire connnect to? Lane. i just ordered summits recurve kit for my 1979 elcamino's hei distributor. How Distributors Work Distributors are electro-mechanical devices used to deliver spark to the spark plug at the correct time during the ignition cycle. Replaces YLE624AV Left Hand Rotation Late Mdel HEI For V8 - 262-454 & 502 except 384/409 and tall block engines. Chronologically, ignitions went from points to HEI to DIS (distributorless). Below are a few of the leading illustrations we obtain from various sources, we really hope these pictures will work to you, and also hopefully very appropriate to exactly what you want concerning the Ford Hei Distributor Wiring Diagram is. Its simple, easy to tune, and plenty powerful to light off any naturally aspirated engine up to 7000 RPM if properly equipped. What makes this engine difficult to deal with is the odd-fire ignition system. Camaro Forums at Z28. The HEI system was similar to the Unitized system in that it used an electronic control module and pickup coil assembly to saturate the internal coil and trigger plug fi ring. Crank engine and check for spark. There are further details under Ignition. Chevy Hei Distributor Wiring Diagram Free Within Hei - Saleexpert, size: 800 x 600 px, source: saleexpert. 3L V6 V-6 262 Super 65K Coil HEI Distributor EFI to Carb Swap Black (HEI021BK) a quick 1 wire instillation. This is about how far the rotor will turn back clockwise as the distributor is installed, because of how the distributor gear is cut. If it has anything at all to do with getting a spark to the engine, you can probably find it here. I assume the shunt is a piece of pink wire either full length or one cut to a shorter length. I have a HEI ignition and switching to an MSD dizzy and 6AL msd box. These kits should fit most OE HEI GM distributors, and most aftermarket HEI distributors. It uses a standard rotor, under which is located a centrifugal set of weights and springs that act as the final mechanical advance. So if you want the convenience of a solid state electronic ignition system and still use your original stock distributor, this is the answer.