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Old 02-23-2009   #2 (permalink)
opelspyder
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Depends on the dyno and the operator, some compensate up to 25% loss. When you say negative horsepower, its not really negative is it. When you back off the speed on a Dyno, it shows a negative number-but that doesn't mean your not showing power, thats just in the computer slowing down. I have read several peoples explanation of how much horsepower will drop in a drivetrain-its across the board
Keith
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