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Original Message
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RE: 67 shelby ignition pinging |
By BOB HOPKINS - 01/23/2001 4:49:26 PM; IP 208.246.225.194 |
I think you have too much compression ratio, there is a site www.prestage.com/carmath/cale_gears.asp plug in your parts cc ,I'le bet your over11.1. my 428" 0.030 over with 72cc heads figures out to over10.1, and yoursare shaved 0.020 . Find a set with large 80cc chambers pay somebody to carve yours out ,or 100+ octane race gas. |
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