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Old 10-04-2003, 02:20 PM   #2
Rev
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Join Date: Nov 1998
Location: Houston, Tx.
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Default Somethings wrong?

I don't think the car would even run at 27:1 or 25:1. Ideal is about 12-13:1. The plug insulators should be either ash gray or tan for ideal fuel air ratio. BTW, air/fuel ratio does vary between idle, cruise, and WOT. Also when reading plugs, it is hoped that they all look pretty much the same indicating that the air/fuel ratio is about the same for each cylinder.

Rev
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'66 Coupe, 306, 350-375 HP, C-4, 13.07 e.t., 104.8 mph, 1/4 mi.

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Last edited by Rev; 10-04-2003 at 04:21 PM..
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