Originally Posted by GY3
My neighbor had a 493" shortblock and bought E-street heads.

He bolted them on and made 502 hp and, as I recall 600 ft/lbs. of torque on a very conservative tune with a pretty small cam.

The Dart he put the engine in was very calm and had great street manners but was a torque monster!


That's about what my 493 did with RPMs and an MP509 cam with a tick under 9:1.

Heads were inspected and had a proper valve job done.

Kevin

Last edited by Twostick; 12/27/21 03:50 PM.