i still need to know what downpipe to buy
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i still need to know what downpipe to buy
decat pipe and straight through exhaust as well
Well I have worked it out & you need to be making about 360 Ft Lbs at around the 5700 mark to make 390 bhp.
if anyone else has a dyno graph where did you get peak horsepower in the rev range?
wobbly made his peak bhp figure around 5600rpm
hhhmmm cant quote you Dave.
Your working assumes his Rev limit is 5700 though doesnt it?
If BHP = Torque x RPM / 5252 then
Torque = BHP x 5252 / RPM
No I am not assuming any rev limit - I am just working from the most common peak power point for the turbos used in Volvo.