Quote:
Originally Posted by bluenoser
Horsepower is a product of torque and rotational speed (RPM). So if the engines have different torque curves the horsepower could be different. The equation is: HP = Torque x RPM ÷ 5252
So the genesis makes higher torque at lower RPM compared to the Z.
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That might not explain it very well actually. The HP is actually a peak HP that only happens at one particular RPM. So the genesis and Z can make the same HP but at different RPMs. If you have a torque curve you can calculate what the HP curve is by that equation.