Ported Slant 6 head

Keep in mind too, that RPM ain't all camshaft. Intake design, exhaust header tube length and diameter and not to mention cylinder head port size and shape all play a role. Not to mention carburetor size and ignition timing. I'm stoked. I caint afford it, but I'm sendin the block out to be bored. That'll be motivation to get the $$ together.