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Old 07-07-2018, 09:14 PM   #9
Steeveedee
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Join Date: Jan 2013
Location: Simi Valley, CA
Posts: 10,021
Re: My kingdom! My kingdom! My kingdom for an HEI module that will last

In my experience, the rotors would burn through due to ancient spark plugs before the module would fry. Of course that's when they were only a few years in the field.

A question for the OP- do you have the sheet metal ground strap that completes the 3rd leg of the primary wires in the coil? I've seen where they were left out, and module life was quite short. Or maybe the connector to the coil primary side has a weak or corroded connection. Modules are generally pretty robust. I have the same module in my Mallory HEI that I bought in y2k. The distributor was originally in the 305 SBC I built and put in my '68 Skylark. I put a Buick engine back in it a few years ago, and put that distributor in my truck. It's over 18 years old and has close to 100k miles on it.
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'70 Chevy 3/4T Longhorn CST 402/400/3.56 Custom Camper

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