I still vote for a bigger cam. The RAII motors were designed to work with a 041 cam and a 400 cid, no? So if you have ported heads and 64 more cid I'd think it would be begging for a bigger cam.
__________________
70 TA, 467 cid IAII, Edelbrock D-port heads, 9.94:1, Butler HR 236/242 @ .050, 520/540 lift, 112 LSA, Ray Klemm calibrated Q-jet, TKX (2.87 1st/.81 OD), 3.31 rear
https://youtube.com/shorts/gG15nb4FWeo?feature=share
|