there are formulas for the effects of bends in the air flow passages. remember, you dont get more speed when you clean up the air ways, you get less of a pressure drop across them. The throttle is the largest pressure drop across the intake. It goes from almost full close, with the exception...
There is the answer to the HP vs torque question. These engines produce 1/2 the torque of a an engine with the same HP and can only rev to 9,000rpm. and only 30% of the torque that a 6000rpm rever will produce.
Hp wins races, torque is as meaningless as RPM when it is alone as a factor...
