Re: Is the GM HEI module necessary?
Posted by
sgtslag on
Jul 13, 2011; 5:14pm
URL: http://vintage-and-classic-hondas.81.s1.nabble.com/Is-the-GM-HEI-module-necessary-tp3165080p3166721.html
I looked into the GM Coil Mod, myself. I could not figure out exactly which coils to use, and after much consideration, I went with NGK Iridium plugs, instead. I know my coils are weak, and the plug wires could do with an upgrade, but for $32 ($8/plug), my ignition system now works flawlessly. For me, it was just easier, and an absolutely sure-thing, to replace the plugs (no chance of burning out the ignition system, which the wrong coils could have accomplished; the Iridiums will last 50k+ miles, so not a bad return on my investment). YMMV. Cheers!
1979 CB750K (sold, 2012, but not forgotten)
1983 Kawasaki 440 LTD Belt Drive (sold, 2011)
1993 Kawasaki Voyager XII