Originally Posted By ou812
What a head flows and what you get out of them for power are to totally different things!

Roger that. Best flow with the smallest cross section. Unless it's supercharged, then turn em into sewer pipes.

So looking at these heads, it seems that the exhaust springs only have a damper spring in them, none on the intake. Is that normal? Thanks.

When it takes more than a sweet mullet to prove you rule at the trailer park..