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Old 06-30-2014, 10:59 AM
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Tom Vaught Tom Vaught is offline
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Compression Ratio directly relates to torque across the rpm band.

If you go by the old HO Racing rule of thumb: 1 ratio = 3% gain or loss

You will be down slightly more than 2 ratios so about a 6% loss thru out the horsepower curve.

Tom V.

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