You do know those Mopar413industrial and motor home motors where never intended to rev much above 3500 RPM, correct? If not you may want to reconsider which heads to put money into worktwocents Good luck either way up

Last edited by Cab_Burge; 04/24/15 07:27 PM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)