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Old 07-02-2009, 07:31 AM   #6
zachcrosen
1st Gear Member
 
Join Date: Apr 2007
Vehicle: '08 Mustang GT
Location: Alabama
Posts: 83
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Quote:
Originally Posted by S197winstang View Post
what does 397 rwhp calculate to? is there a formula I can use?
Looks like 15% drivetrain loss. So, 397 x 115% = 457 at the crank.

Does the drivetrain loss vary based on transmission on the Mustang? I had a supercharged 350Z a few years back and it was an automatic and the estimate was 20% loss for an auto and 15% loss for a manual.
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'08 Performance White GT

Performance: RP engine and Diff Oil, TCS relay, FRPP 4.10s, Pypes O/R H-Pipe, Flowmaster ATs, JLT CAI and SCT X3 tuner w/tunes by Brenspeed
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