When determining crank horsepower;

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03-05-2010, 08:20 PM

#21

oddwraith

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Quote:

Originally Posted by ponygt65

+1

OP if you really want to factor it out..teh 'proper' mathmatical equation is:

320/.82 (18% loss)
320/.85 (15% loss).

Yup, that's what I figured too, just did it a different way. Thanks man

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03-05-2010, 08:21 PM

#22

oddwraith

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Quote:

Originally Posted by Tainted

dont forget wheels and stall converters can play a huge factor as well. and the % is only a guesstimate its not a perfect number. some cars are a bit better than others for whatever reason

Truth.

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03-07-2010, 09:38 AM

#23

LEO

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Most shops in Houston which use a Dyno Jet figure a 12% drivetrain loss with manual transmission.

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03-16-2010, 11:30 AM

#24

Tainted

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and dont forget dynojet and mustang dynos read out a bit differently

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03-16-2010, 06:59 PM

#25

unit213

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You want good crank horsepower numbers? Use an engine dyno. Outside of that, there is no silver bullet to get the right answer considering every application is different.

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