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Re: [oletrucks] dead 49

To: Pastorjon994@cs.com
Subject: Re: [oletrucks] dead 49
From: ADvent@thuntek.net
Date: Tue, 20 Jun 2000 13:05:36 -0600
actually what is happening is not a "short", but an "open". As the old wires
heat and cool so many times, the wire become fatigued and the resistance goes
way up and essentially reduces the current available to to fire a plug and it
is basically like cutting a wire. When a coil gets hot, it is either hooked to
the wrong voltage or polarity is backwards or as in most cases the resistance
is so high, it begins to heat up. As it cools, the resistance drops down to
near normal and the engine can be started again. I have an HEI distributor in
my truck and its great.

Pastorjon994@cs.com wrote:

> Brad,
>     I had a ford tractor one time that would work fine until it got really
> warmed up or under a real heavy load.  It turned out to be the coil.  The
> expansion of the heat caused a short to be magnified.  You might try a
> different coil.
> Jon Callahan
> '50 3100
> Champaign/Urbana, Illinois
> oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959

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