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Old 02-23-2023, 01:06 AM   #4 (permalink)
Piotrsko
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In one of my reference books from the 1960's there is a graph that indicated peak torque occured around 2/3 of maximum hp in terms of rpm. But that was for rather inefficient large displacement low revving carburated gasoline engines and has probably been superseded in the succeeding 60 years.

In my other cars that still have their owners manual, sometimes the manufacturer specify where peak is in the specification section
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