on 572 bbc, raising the comp from 9.7-1 to 11.7-1, hp incre

Old 06-05-2007, 09:05 PM
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badbug3
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Default on 572 bbc, raising the comp from 9.7-1 to 11.7-1, hp incre

what would increasing the compression ratio from 9.7-1 to 11.7-1, or around 2 comp points higher, do for hp increase. Just how much difference would it make ?
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Old 06-06-2007, 05:22 AM
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billhendren
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It would raise the torque quite a bit allowing you to use a larger cam which would add a substantial amount of power,to know the exact amount would require before and after dyno runs.Bill
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