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Junior Member
Join Date: Feb 2007
Posts: 21
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Mine made 520-440 hds-up heads(54.8cc), gm bowtie blk, stk crank, 2-ring miller pistons, stk cam bore. Really nothing special ran .6 tenths under '64 chevelle in k. I think a good one makes around 550 hp. Larry Wilson 3058
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