Quote:
Originally Posted by TurboFan
A driveline loss of 25%? I don't think so. Maybe a chevy Impala, but not the 335, and definately not on an MT. I'd believe about 15-18%.
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My 2004 GTO had exactly 15% drive train loss for HP and about 12% for torque.
15% is good all around number for a rear wheel drive car.
20% to 25% is to high on a rear wheel drive car.
I have always suspected that the real crank HP of our cars is labeled on the rear trunk lid.........335.