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Old 03-13-2015, 08:49 PM   #343
cdrazic93
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Quote:
Originally Posted by ajc209 View Post
85bhp at wheel is pretty much 85bhp increase at fly. The drivetrain takes a fixed torque to rotate it; adding 40% power wont make drive train losses much bigger. Perhaps a fraction due to slightly higher friction losses in the gearbox, but certainly not a massive mount.


FWIW on the Cosworth engine dyno, the stock fa20 was 185-190bhp. Abbey motorsport measure about 160 hub bhp in the UK.
That dyno reads ridiculously high.

[ame="https://www.youtube.com/watch?v=BOFVnkrkQ6k"]Engine Horsepower vs Wheel Horsepower - Explained - YouTube[/ame]

Drivetrain loss is always a percent. It's not fixed, not based on a set torque rating.
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