S2000 Under The Hood S2000 Technical and Mechanical discussions.

HP loss due to transmission?

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Old May 3, 2007 | 02:49 PM
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hybrid racing's Avatar
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Default HP loss due to transmission?

Does anyone have or know someone who has engine dynoed an F-series motor and then chassis dynoed the same engine after installation?

I am looking for a close to accurate estimate on drive train loss in an s2k?

Just looking for graphs or numbers or any insight that you may have from experience.

Thanks

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Old May 4, 2007 | 01:45 AM
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not sure the "sole" transmission lose but drive train loss in stock ap1 f20 is around 15-17 percent after correction factor.

being a rwd mid ship engine car, the drive train loss is tipical(little high side )

no graph or anything to prove it but that's just observation after seeing 1254543 ap1 dyno thread.
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Old May 4, 2007 | 11:57 AM
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hybrid racing's Avatar
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did you mean to say after seeing 1254543 ap1 dyno threads? or is that a specific thread you referring to.

I am assuming you have just seen a lot of threads but wanted to make sure.

Thanks for the input anyone else??
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Old May 4, 2007 | 12:03 PM
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I don't understand why you're still curious about this? Most stock AP1s put down around 200HP to the wheel. The factory rating is 240HP at the crank. It doesn't take a genius to figure out that's about a 17 percent loss of power from the crank to the wheel.
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Old May 4, 2007 | 12:35 PM
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ShocK's Avatar
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227whp ty very much, wtf is stock? I no comprehend that worde
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