08-23-2001, 07:49 PM
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CC Member
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Join Date: Nov 1999
Location: Pentwater,
Mi
Cobra Make, Engine: Professional Cobra & Streetrod Builder
Posts: 5,352
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Not Ranked
Just a though
dakota,
We run almost every car with a trunk mounted battery. Here's the gist of what we have learned. If you want to do it by the book, then yes, the ground from the battery should run all the way back to the engine, especially if you are running EFI.
On a carbed motor it really shouldn't make that much difference.
It is also wise to use a flexible ground strap, available at NAPA etc., from the engine to the frame.
It's all about OHMS, and stuff that I couldn't explain if my life depended on it. (Have you ever read "Ohms' Law?)
If you decide to run it to the frame anyway, and one minute your car starts fine, and the next, the starter turns over like it's filled with molasses, or you find your MSD box isn't putting out enough juice to fire the engine, or maybe it just starts missing a little at high RPM..... suspect that "direct to frame from battery ground".
DV
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