I not sure why this is getting knocked. Over 1 HP per cid is a good thing. The Edelbrock adds with their heads and their RAIV made 422 HP.
You might get 10-15 HP with more tuning, close to 450 HP with effort IMO. Nothing wrong with that.
We all have been waiting for some results with these heads. Thanks for posting.
Tough skin is required for dyno sheets as slings and arrows come your way. (I have done some slinging too)
Comparing Pontiac numbers with our tall decks, giant mains, anchors for cranks, rods porn stars would be proud of, puny ports, pinched ex runners to a sbc with years and years of high end efforts and a data base to build on is a tough deal.
Have a blast with it.
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