Cylinder head decision for 318

As I have posted before, I plan on using a huges whiplash camshaft in my 318, the engine is a 1974 production and I am thinking about changing the heads. The only concern is the whiplash cam works well with stock compression and Im not sure how much more compression will rise with a set of performance heads. Also the engine uses flat top pistons and I also want to make sure there is no valve interference with the bigger valves. The heads im looking at are from indyheads, and are their Indy X...

Cylinder head decision for 318
Author: admin