Dyno numbers

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11-16-2007, 05:46 PM

YellowBomberS4

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Dyno numbers

just got some dyno runs today and pulled 272.2 hp at the wheels. does anyone know the power loss from the crank? 15-20%?

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11-17-2007, 09:21 AM

quickaudi:STFA

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why does it matter? just say fifty percent if u want

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11-18-2007, 07:46 AM

xtreetoes

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Re: power loss from the crank

do a search much has been written and its a controversial issue.

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11-20-2007, 03:35 PM

TwentyValveB5+S4

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generally, the conversion is 1.28*whp = bhp

or .78*bhp = whp, or approximately a 22% loss. This is a gross estimate and not entirely accurate.

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