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#1 (permalink)

03-29-2005, 09:20 AM

69 Mach I

CC Member

Join Date: Feb 2004

Location: Almere, NL

Cobra Make, Engine: No cobra YET. Making do for now with a 69 Mach I

Posts: 107

Not Ranked

Quote:

Originally posted by Excaliber

I mean 11 to 1 is WAY up there!

Yes and no. I have Edelbrock RPM Performer cylinder heads. these are an alum head and the general rule of thumb is that you can run 1 point higher with alum heads than you can with iron. The car was originally 10.4:1. Now I know that the gas is different between then and now but I can get 94 over here at any pump, 98 in Germany (and 106 at the track) so I am ok.

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