Originally Posted by
MugenR
500whp is about 650 crank hp. subies loose about 20% drivetrain, maybe more.
the thing is you can't give a flat rate for a dyno...as they vary from one to another, especially from one manufacturer to another...and then the brake (brakes on the car) loss will remain the same same but will be a larger % at a lower power...so its all best guess/estimation