Horse Power

This build is with a Super Charger. But it still shows some kind of answer to your question.http://www.moparmusclemagazine.com/...318_hughes_engines_replacement/318_block.html

( On its best pull, with 14.59 psi of boost and 34 degrees of timing, the 318 produced 662.7 horsepower at 6,000 rpm, and 587.5 lb/ft of torque at 5,800 rpm. )