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Old 09-11-2010, 10:36 PM   #6
general23cmp
 
Drives: 2010 RS SS
Join Date: Aug 2009
Location: Huntsville, AL
Posts: 196
I guess the point or question I had was why are the numbers I see reported for maximum (based on the fuel pump's output only) rear wheel power for an auto vs a manual just not the drivetrain loss difference? The gap between the posted numbers is too large to just be drivetrain loss.

The drivetrain loss numbers I have seen are 5 percent better for a manual vs an auto, so given the same fuel pump, I'd expect the maximum horsepower output the fuel pump could supply either of them to the rear wheels to be within 5 percent.

Thanks.
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