Well on my home ported heads I'm happy with the results.
@521 lift int 250 cfm and @ 541 lift exh 190 cfm.

With borla cat back, ported TB, ported intake, 1.6 gold r&rs, Moroso CAI, shorties hooker, tunning, 3.23 rear restalled stock converter 2500, GM845 cam, balanced rotating assm...

Thought on RWHP and 1/4 times...?

Thanks

 

need to see the lifts at 100 200 300 400 500 and the specs on the cam. the uppers lift numbers mean nothing its the low and mid that makes the power.

 

When I go pick up my heads I'll have more info on flow #s

 

Spoke to my head guy all he did was max lift flow. It was free soooo...can't complain. That's all the info I have.