If HP is a mathematical function of torque and RPM, how is it that torque curves can

In Reply to: OK, see if I understand this.... Posted by Nav (Cruiser) on February 28, 1999 at 10:57:27

be modified by changing intakes, exhaust etc. Some engines have almost identical torque/hp curves, others reach peak torque at low rpms others high. Others have fairly flat curves etc. Compare the curves of a diesel, aircraft and auto engine. Isn't the most efficient RPM where the torque and hp curves meet?
Am I missing something?

I beleive you're right (more) Spinnaker (Spinnaker) 06:43:08 3/01/99 (0)