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Old 02-04-2007, 04:22 PM
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Heads are Aluminum TFS 2.02/1.60 with 180 intake. I run the 91 or 92 ocatane what ever is the highest when I fill up. Compression ratio is somewhere around 9.25-9.8 to 1. I don't know for sure because my build sheet from summit gives me two different pistons dishes and I do not know which they used. Also the heads are 62-64cc depending on which tech guy talks to me from Trick Flow Specialties. The gasket is somewhere from .41-.38 in thickness so any way you get the point. I am not sure. When I did a cold compression check last year or so they were all from 175-195 or so I think. But who knows I cannot remember for sure if I even did that right. It is a B*%#$ to try and do a normal one because I cannot get to all my plugs without undoing the headers.
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