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May 22, 2005 | 07:29 PM

earth eater

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From: Cape Coral,FL

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I was just wondering what you guys put for your HP and TQ numbers rear wheel HP and TQ or crank thanks

May 22, 2005 | 09:38 PM

99zee

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I put crank HP/TQ numbers on mine.

May 22, 2005 | 10:48 PM

earth eater

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how did you get your crank #s,I only have RW #s did you add a 12% loss from the crank to the wheels?

May 23, 2005 | 11:36 AM

Mark IXZD 150

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I'd go with crank numbers since that's what car companies have always done.

I think the general rule of thumb is 12% loss for manual and 15% for automatic. Can anyone confirm this?

May 23, 2005 | 04:13 PM

Lt14mla

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i thought it was 13 for m6 and 17 for a4 not sure tho, but for some reason that comes to mind.

May 23, 2005 | 04:28 PM

Danny2tek

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somebody once told me real hp #'s are at the wheels!

May 23, 2005 | 09:34 PM

ruck98

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i would go with the crank #s since thats what the factory does

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May 23, 2005 | 10:48 PM

earth eater

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From: Cape Coral,FL

yea I think Im going to put my RW #s on the plate for the same reason that you said lawmanSS , thanks for all the imput

May 23, 2005 | 11:34 PM

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Flawless02SS

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Im putting crank #'s when I redo mine after cam install

May 24, 2005 | 02:10 PM

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99zee

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Quote:

Originally Posted by earth eater

how did you get your crank #s,I only have RW #s did you add a 12% loss from the crank to the wheels?

M6 Divide RWHP by .88
A4 Divide RWHP by .82

May 25, 2005 | 12:31 AM

#12

earth eater

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From: Cape Coral,FL

I took my RWHP 332 divided by .82=404 is that right 72 HP is a pretty big loss.what about TQ is that the same calculation?Ive been reading a thread called Interesting concept on drivetrain loss.Its so long I only got to the second page but it says that the % loss is just rule of thumb but a havent finished reading yet