Interesting build ….how much dish on the pistons to arrive at 9.5 to one with those heads? Would have probably helped the cam some to get the compression at 10 to one or higher.
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71 GTO, 463, KRE 295 cfm heads ported by SD Performance, RPM intake, Qjet, Dougs Headers, Comp cams HR 246/252 ...11 to 1 , 3.55 cogs, 3985lbs.....day three- 11.04 at 120mph ....1.53 60', 6.98 1/8 mile
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