How to tell if module is going bad? - Team Chevelle
Aug 8, 2004 · Not always, though. If you're talking about a GM HEI module, and the engine runs, start by checking to see if the dwell varies with RPM. Doesn't matter really, what the dwell is, just that you …
What 4 pin HEI module you you all use?> | Team Chevelle
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 …
HEI module testing - Team Chevelle
Aug 30, 2007 · Is there a way to test the HEI module? I had my HEi quit yesterday and do not yet know if it is the module or the pickup coil. Can these be tested at any of the parts stores? Did a search …
My engine eats HEI modules. WHY?? - Team Chevelle
Mar 15, 2012 · GM 4 pin HEI Ignition system. Here is a compellation of data I have collected from many sources across the web and from some of my old GM training manuals as I understand it.
Hei Module - Team Chevelle
Aug 31, 2023 · The term HEI was originally used to define a class of electronic ignition systems by GM that consisted of a module and corresponding low resistance coil capable of maximizing the output …
HEI Ignition Module?? GM Techs (old school) - Team Chevelle
Oct 31, 2005 · I have been testing the limits of my Stock HEI. My car has a bottleneck that I now have come to believe may be imposed by my stock GM HEI module. From what I have deduced my car …
What kind of grease under HEI module? - Team Chevelle
Jan 20, 2010 · I can't find the little packet of grease that came with the module for my GM HEI distributor. I do have a mini-tub of MSD Spark Guard dialectic grease. Will that work to cover the …
Ignition control modules failing - Team Chevelle
Nov 1, 2020 · There is NO capacitor in a GM HEI any more. And, I have not seen any capacitor needed with a single or 3 wire alternator IF the number 1 terminal on it has either the charge light, or NO wire …
HEI ignition module problem - Team Chevelle
Nov 27, 2006 · What can cause module failure?'76 Chevy truck.Long story short-had to use an old HEI today to break in a cam,fired up and ran about 10 seconds then poof.Picked another up at Auto Zone …
Add-on plug-in rev limiter for GM HEI? - Team Chevelle
Jan 6, 2011 · The drawbacks the GM unit are many, including hassle of changing the advance and the amount of the advance on vacuum. The worst, though, is no rev limiter. Does someone make an add …