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Rev · 10-04-2003, 02:20 PM

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

10-04-2003, 02:20 PM	#2
Rev Registered Member Join Date: Nov 1998 Location: Houston, Tx. Posts: 3,887	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 __________________ '66 Coupe, 306, 350-375 HP, C-4, 13.07 e.t., 104.8 mph, 1/4 mi. O.B.C. #2 '66 coupe Last edited by Rev; 10-04-2003 at 04:21 PM..