It should, if assembled and blueprinted properly, make a lot more than that My first dyno tested 426C.I. M.W. pump gas motor made 499.6 HP at 5900 RPM and a lot ,more torque than HP with similar parts The 499 should make close to 600 Hp and 670 Ft. lbs tuned up
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
My first dyno tested 426C.I. M.W. pump gas motor made 499.6 HP at 5900 RPM and a lot ,more torque than HP with similar parts 
The 499 should make close to 600 Hp and 670 Ft. lbs tuned up 
