I have a 540 I HEMI, 4.360” bore, 4.5” stroke. It is a street car, 4,100 lb. 3.54 gear with GV. The cam is 248/254 @ .050 with .580 net lift solid roller 112 lobe separation. 10.5 CR.
cruising rpm is 2,500-3,000.
How much power will a good street port make on a MP aluminum head? the engine made 635 HP @ 5,900 rpm, Teardown revealed horrible bore finish, no way the rings were sealing. Along with other issues. All is fixed, I am keeping the cam etc. Just clean up of the valve pocket of the head, and port match.
I don’t feel the need for the Victor head, I am not after max power. But while we are at it, the heads are getting a “street” port job.
What is your experience?