I had one from Accel about a year ago, and it went bad within a few hundred miles. Can I claim half of my ex husbands pension? Corrected GM HEI Distributor Cap Options? - Chevy Tri Five Forum It's an electronic part that's been service so who knows but they sure might be able to point something out that may have led to its life span. Since charging-system voltage is applied directly to the distributor, the module acts as a current limiter on the primary side of the ignition system. TFI and HEI what's the difference? | Off Roading Forums I tested the cap with a VOM and it was good. Follow that wire back towards the firewall connector and you will find another splice. You must log in or register to reply here. A forum community dedicated to hot rod owners and enthusiasts. Just speculating, the conductors are probably very close together and if there's not consistent spacing or good insulation, then the misfire is the result. Looks like a normal GM small-cap HEI to me. As the other guys said, HEI requires 12v high current which that stock ignition switch may not handle. For a better experience, please enable JavaScript in your browser before proceeding. Our HEI distributor caps are the key to unlocking improved fuel efficiency and engine capabilities - and at prices this low, its a no-brainer investment in your car. The 292 has a longer stroke than the 250 and will tend to detonate easier at low rpms, so they keep the timing back a little longer. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Find Distributor Caps Male/HEI Cap Style, V8 Engine Type and get Free Shipping on Orders Over $99 at Summit Racing! Will a small-block Chevy distributor fit a big block Chevy? And let's not forget about reliability. Stopped by the dealer one day and the same Bosch filter part number in same box was $45.00. You need to run a heavy wire (12 gauge) from your ignition to the HEI. In order to achieve this the ballast resistor or the resistance wire must be removed from the circuit and replaced with a pure 12 gauge feed wire. I suspect that's an aftermarket Accel or Mallory cap and rotor. The "fliter" on the tack wire is also a capacitor to suppress interference to the radio, Uninstall 2020, it is infected with a bad virus. So when i was dropping the v8 into my s10 i broke the rotor on the distributor (cap was removed) so my question is, do all HEI distributors use the same cap and rotors? That's when they first come out (Crossfire brand). Avoid the dist in post #2, it does NOT have an adj VA unit. .Jeephammer's info seems to answer all of my questions! I also have a cross fire in the Nomad that has been on there since 99, so far so good, no misfires, but I have read also there are faulty ones out there. Were passionate about cars - and this drives us to provide world-class support for you every step of the way. The key adjustment for points was to measure the dwell time, which was the length of time, in degrees, that the points were closed. Sent it back to the vendor for them to test. Continue reading to find out more about the 350 Chevy engines' firing order. Beyond just the inconvenience of shaking, this can raise safety concerns and create trouble for your brakes. Well this one sure crapped out and I've seen plenty other hi-po builds do the same thing. If all you need is a cap and rotor, the Accel/Mallory parts will almost certainly work. Thanks for the input BTW. Any Chevy distributor with a snap-on cap is aftermarket. Every GM factory style V8 HEI uses the same cap and rotor. trouble shooting & rebuilding HEI ignitions - Grumpys Performance Garage Accel makes a cap and rotor kit , it has brass terminals. Get yours today! - Waylon, that isn't a condenser, it's a capacitor used to reduce radio interference. I bought mine on Ebay for under $150.. comes with a set of not horrible plug wires. El Camino Brake Hose, Front Drum, Original AC Delco, 1965-1967 $13.99 Each. Me being a purist to my baby of a D150 I couldn't and wouldn't pound the firewall in or cut it to make room so I went to Pertronix. Vehicle Pulls To One Side When Driving or Braking. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Most castings are stable and straight and modern machining techniques aid in narrowing the benefit gap in this respect. Better GM performance modules increase this current to around 5.5 amps. I've got the attention span of a gnat, so.. Not yet. Bought a new in-the-box 'crossfire' HEI distributor cap from a vendor out in PA in May. Or, keep reading to discover the Southwest Performance Parts difference if you havent already. I had the same problem on my '70 with a 350. A forum community dedicated to 1955, 1956, and 1957 Chevy owners and enthusiasts. What would I ask them? $37.99 . HEI Distributor Caps Southwest Performance Parts According to ACCEL, you should not use the clear dielectric grease on these modules (like MSDs Spark Guard) since this is actually an insulator type of grease that will act as a heat transfer barrier, which could lead to trouble. HEI Distributor ?? (Bat & Tach) | Team Camaro Tech Some of the more high-performance aftermarket modules can draw as much as 7.5 to 8 amps of power. The ignition system in your vehicle can really wreak havoc on your fun drive time. So - get yours today! There are plenty of killer ignition systems that could probably weld sheetmetal, but those monster capacitive-discharge (CD) systems arent necessary for a typical street engine. What this means is that you should not mix and match coils and modules. Combined with a well-designed spark curve, quality spiral-wrapped plug wires, and the proper heat-range spark plugs, its possible to ignite up to 500 reliable horsepower with little more than a hopped-up HEI distributor. When you invest in auto parts here from our store, you're choosing a product that's built to last. Hi guys, I have radio delete in my 81 Cutlass. The 1967 - 1972 Chevrolet & GMC Pickups Message Board . Sep 7, 2005 Re: TFI and HEI what\'s the difference? Usually, a wheel bearing lasts around 1000 to 1,500 miles after it starts making noises. ensures a strong and consistent electrical connection between the ignition coil and the spark plugs, guaranteeing that each spark plug receives the correct amount of voltage at the right time. If youre here searching for your next upgrade, you may already be aware of the role the distributor caps play in your vehicles performance. Take a look and see what you think. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Is there a difference in HEI Distributors? | Team Chevelle This is an important factor since all the ignition companies we spoke to stressed the idea of properly matching the coil and module. This myth is only true when compared to stock HEI systems. Diagnosing (and solving) distributor problems - Hagerty Media Just make sure you don`t let it start pinging, that`ll kill it quick. Vehicle pulls to one side. Won't fit HEI but maybe fab something similar? Chevy Firing Order Big Block vs Small Block The firing order of a High Energy Ignition or HEI distributor cap is not always different from the engine's firing sequence. I'm trying to convert to an HEI distributor for the ol' 68 Chevy truck. What benefits can I get for hearing loss? Worked well, was simple and easy, my only bone to pick? While this demands more voltage from the ignition, it also creates a fatter spark in the combustion chamber. Enjoy banner ad-free browsing with Hot Rod Forum Plus. good old cd ignitions. So small block chevy firing order he is the same as the normal engines. In fact, all the aftermarket ignition companies sell matched coil and module sets to ensure optimal ignition operation. Wonder if these are still available as several aftermarket companies were making them. The following are the 10 most common, along with some views, which are believed to dispel them. Ran fine out of the box. The newer supposedly Crossfire caps, and ACCEL, others use a printed circuit strip, with NO insulation, to move the spark. I like the way you can just switch out the module easily on the road if one fails. Only issue was excessive oiling up top that a lil RTV fixed easily. Distributor Caps | Summit Racing For a better experience, please enable JavaScript in your browser before proceeding. Contact [emailprotected] for info on becoming a sponsor. The Fora platform includes forum software by XenForo. HEI is High Energy Ignition. Mopar-Performance Distributor Cap - JEGS High Performance Make sure the actuating rod is not rubbing against anything on the bowl of the distributor. The timing on the 292 remains retarded longer then advances quicker than the 250. . It will already be phased correctly due to the original design. However, its clear that the best plan for optimal ignition performance would be to use the factory-matched module and coil. Oldsmobile V8 HEI Distributor - Speedway Motors I ran one on my Buick streetrod w/chevy engine for 10 yrs. The 75-80 EFI distributors had a extra 'pod' added to the stalk that had sensors in it and a harness to the ECU. Some motors will idle too fast/rough at manifold vacuum, in which case you will need to connect your vacuum advance to ported vacuum. I know an OEM GM module (that's got to be way better than the knock-offs) starts pooping out ~5,000 rpm. (same cap) without any problems. Jun 17, 2013 So when i was dropping the v8 into my s10 i broke the rotor on the distributor (cap was removed) so my question is, do all HEI distributors use the same cap and rotors? It takes some effort to move If not regularly checked and maintained, it can cause all kinds of problems, like poor starting, misfiring, low power and, er, being stuck on the side of the road. This means you can enjoy the thrill of an upgraded engine without having to worry about draining your wallet at the gas pump. The Accel/Mallory/Prestolite snap-on distributor caps are all pretty much the same. "Today, we make high-output modules and coils that saturate fast enough to fire consistently at high RPM. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Products from the same brand. Open to all models including Belair, 210, 150, Sedans, and Nomads. The Fora platform includes forum software by XenForo. New doesn't mean good! Small Block Chevy Firing Order [With Diagram] - Nerdy Car Why spend more when you can spend less for the same top-notch performance? I have a 292 inline six. You are using an out of date browser. In effect, causing the HEI housing to act as a heat sinc. Big Block Mopar 383/400/440 with HEI Cap; 90 Male Distributor, Multi-Angle Plug Terminals; Includes: Wire Markers; Wire Separators; Dielectric Grease; View Details. We also tried several mismatches of coils and modules with no apparent differences in driveability, idle emissions, or throttle response. The heat can eventually build up inside the distributor, melt the internal circuits, and destroy the module. Add to Cart . I ended up reducing the initial timing from what it was, and now I'm getting good performance. C2 Vettes had chrome dist & wire covers over the snake pit. Jun 15, 2015 There are many imported (questionable product). What is the best setting for a dishwasher? The HEI Distributor cap often contains firing instructions that rotate clockwise for SBC Chevy V8 engines. Find Distributor Cap and Rotor Kits HEI Distributor Type and get Free Shipping on Orders Over $109 at Summit Racing! . Getting a whopping 8mpg out of it. Im currently running an msd pro billet distributor in my 360. Small block hei distributors | For A Bodies Only Mopar Forum That fixes any problems with them. Brand name for GM's E-core coil ignition. Chevrolet's small-block V8s are famed for being dependable and powerful all at the same time. I bought and ran a $89 Summit-brand HEI ($89 complete with cap and coil and a great Mechanical curve for my car), ran great, low-12's in the quarter mile. The long stroke also means the power curve peaks at a lower rpm so they need to get full advance sooner. View full details Original price $19.99 - Original price $19.99 Leaking Brake Fluid On the Ground Inside the Tires. If you open the harness, (just unrap the tape) you will see where that wire is spliced to another wire. For a better experience, please enable JavaScript in your browser before proceeding. If that thing is still breaking up under load, I can't believe we can't figure it out. A worn shaft will whip around at high RPM and cause the timing to be all over the place. The key to reducing heat buildup in the module is to use the special white grease supplied with new modules on the mounting side of the module. In fact, we suggest .050- to .055-inch with our D.U.I. The advance curve is differant between the 250 and the 292. On an HEI, if you use the holes in the housing that were originally there for the vacuum advance, to install your vacuum advance eliminator, there is no cause for rotor phasing. try it without recurving and see what your total advance is as well as the rpm it kicks in and take it from there. 2024 Chevrolet Corvette E-Ray First Look: The AWD Hybrid Is Quicker Than a Z06! 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We make these parts ourselves under the well-respected A-Team brand and then sell them directly to you here on our website. Requires using spark plug wire set with male tower distributor terminals, such as same engine application for 1977 and newer (2 . If youre tired of feeling like your vehicle is being slowed down or held back by your distributor caps, its time to make the upgrade. The lower amperage draw results in a much cooler running HEI coil. What makes our auto parts different from the competition - how have we earned the trust of thousands of car enthusiasts like yourself over the past 20 years of being in business? No reason that can`t be straightened out. Increased horsepower and torque are a direct result of higher cylinder pressures. If there is power, disconnect the electrical connector and remove the cap. Why did this module fail after such a short life? Every GM factory style V8 HEI uses the same cap and rotor. It may not display this or other websites correctly. Have you called Performance Distributors? Dwell time is the amount of time the primary circuit is complete (points closed). Jul 29, 2013 It didn't come from the factory with and HEI distributor, someone must have installed it later. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Call 800.979.0122, 7am-10pm, everyday. Someone should be able to post voltage @ the coil with key on engine off to test resistance wire, also use Delco or Standard Ignition, or Blue Streak points and condensor, if you can find them. How long will a noisy wheel bearing last? Myth 2: Internal coils (in-the-cap) are prone to overheat. Cap Terminal Style: HEI / Male: Trigger Style: Magnetic: Hall Effect: No: Sync Signal: No: Free shipping when your order includes this part. I bought mine on Ebay for under $150.. comes with a set of not horrible plug wires. that was sold by Accel about 15-20 years ago. What was popular back then was to use a capacitive discharge ignition system, I built my own back then and used the convention point distributor as the trigger, the points with very low loading would last forever, but still required a timing check every 30K or so as the cam follower would wear and still needed grease. This is especially true at idle since the energy remains in the module (since little is needed at idle), which adds to the heat problem. Many of the items offered in the GM performance parts catalog are rebranded aftermarket parts. Had one in my D150. High performance is all about horsepower. Chevrolet V8 Tri-Power Ignition System Performance Distributors. Are all GM-style 4 prong HEI modules the same? 4 I noticed that many companies sell a common 4 prong, "GM style" HEI transistor module, and these modules all look to be compatible based on the vehicles they'll work in, and they look to be the same module that's used in the DUI HEI distributor for the AMC 258. they replace a hell of a lot more modules than i do. Haven't looked in awhile, but I believe "Accel" makes one also. . Early HEIs were infamous for giving up at speeds above 5,000 rpm-so many avoided them. The benefit of wider plug gaps is a more complete burning of the fuel mixture. and yes. What 4 pin HEI module you you all use?> - Team Chevelle Accel High-Performance HEI Replacement Distributors - JEGS Distributor Caps - Male/HEI Cap Style - Summit Racing Problem 1: Warped Brake Rotors When your brake pads are pressing against a warped rotor, this will cause shaking or vibrations to run through your vehicle. PDF HEI Kit Installation Instructions - Summit Racing Equipment From the feedback here and from others I've spoken with I've decided to forego using the crossfire cap. This firing ability also allows the use of wider spark plug gaps. Be sure the distributor bushing is not worn, remove the rotor and try to move the shaft side to side and note if the points are moving. They were never factory installed. When I took the car (new engine barely broken in) in to a local speed shop for them to tune the carb on their chassis dyno, they reported that the cap was wired correctly but causing misfiring. Myth 8: The silicone grease you place under an HEI module insulates from heat. Continue with Recommended Cookies. JavaScript is disabled. Myth 7: Because this is a high-compression high-horsepower motor, use solid core plug wires. , In stock It gets worse around 60 mph but starts to get better at high speeds. Here are some signs that one of your brake calipers is going bad: If the brake caliper fails, the brake pads wear out faster than normal. If you replace that section with a piece of regular 12g wire, you can then connect the wire that is now on your coil to the BATT terminal on the HEI. Now I did decide that for my dirt oval track car I will be using my old HEI because who cares about slicing a little out of that? There are a LOT of home-brewed conversions using externally-mounted GM four pin HEI modules and either points or mag pickups to trigger them. Is this normal for a chevy hei distributor cap? | Hot Rod Forum High-Pitched Squealing or Metalic Rubbing Noises. Proform HEI Distributor Review - Ford Muscle Cars Tech Forum This is especially important at higher engine speeds because there is less time to charge the coil. I have this distributor in my 57 . It all comes down to our direct-to-consumer model. I have heard many complaints about misfire on those caps. As I said above Cadillac for some reason had to be different. Yes, there is, NONE of them are worth a darned, admire it at the swap meet, then, put it back down, and walk away. The solid epoxy, in comparison to oil-filled coils also eliminates the possibility of leaks. I thought that's what a condenser was for, too? Vacuum advance immediately begins to decrease as soon as you accelerate, and at wide-open throttle vacuum disappears. I think it's a hit and miss with those caps. Every GM factory style V8 HEI uses the same cap and rotor. Might be opening a bigger can of worms. In the mid-'70s, leaner mixtures demanded greater voltage and more spark energy to kick off combustion. Chevy did use a HEI on the '75 and later I6, until it was discontinued in '79. Chit Chat Area, Anything on your mind goes here. What is the purpose of additional insured? dont worry about the ignition switch ,the hei draws fewer amps than yu think.go to your fuse panel and yu will notice aside from fuses spade terminals that you can plug a female spade connecter into.find one that has power when the key is turned on and run your power wire to the distributor from there. A defective tachometer, can cause an HEI to malfunction. Also, the HEI cap is larger, so check clearance between cap and lifter cover. 1 - HEI distributor cap with brass terminals 1 - HEI coil w/ silicone washer and carbon contact brush (all installed in cap) . GM used the same switch with points and with HEI. Skip the HEI and just go to a Pertronix or another of your choice that is non-HEI. The guy at the bone yard refused to sell me one that fits a 250 L6 because he says that the parts numbers are different. If the tires are out of balance then the steering wheel can shake. A relay could solve that problem, but there's no reason the stock distributor cant fire that 292. Come join the discussion about restoration, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! The plugs are made to only go in the intended slots on the drivers side of the cap. Looks like maybe they removed the stamped-steel cover on the side and hacked in an older HEI module. They reported that it had no cracks or other defects but that it obviously had many thousands of miles on it and much corrosion and that the misfiring was a result of the corrosion. But, in the looks department, you've got to admit that billet looks better. JavaScript is disabled. This was true of the early-model distributors, but it didn't take GM long to modify the modules and coils to offer greatly increased spark energy at higher engine speeds. Each requires its own coil to create optimal ignition power. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Shop now and experience the difference firsthand! SMALL BLOCK MOPAR 273-318-340-360 64-89 BLACK HEI DISTRIBUTOR + Spark Plug Wires. The points distributor does not run on full 12v the feed wire to the original dist is a resistance wire, and drops the voltage to ~8v when running. $191.95 (4) Ships Today Lowest Price Guarantee. How to tell if I have an HEI distributor? - The 1947 - Present Z-Library Answers - Ask Questions, Find Answers. Myth 6: There is a specific #1 terminal on the distributor cap. "I give you a republic, if you can keep it." HEI Distributors - Addressing 10 Common Myths - MotorTrend will do a good job for low to mid range rpm performance motors. You must log in or register to reply here. When using HEI, the distributor requires a 12 volt feed. I had a big block solid lifter motor that would rev to 7K RPM with a stock GM distributor. Do I need the condenser under the distributor cap? The distributors are the same as the SBC distributors. Rotor too thin and too close to the grounded internals. A forum community dedicated to hot rod owners and enthusiasts. Even though it's a cleaner looking cap, if it's not going to work reliably then it's worthless to me. How to replace the cap and rotor on an HEI chevy RV~Please Subscribe, Share, Like & Comment.Thanks for watching :)~Instagram: https://www.instagram.com/clas. The Titanic was on its maiden voyage! 5.0 out of 5 stars. my buddies seem to like the propaganda items, so they purchase the high dollar units. However, as long as the spark plug wires are connected in the correct order, it usually doesn't matter where position one is on your HEI Distributor. Long dwell times are used with inductive ignitions to fully charge, or saturate, the coil. What's the Firing Order of a Chevy 350? - Old Engine Shed
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