speedmaster 2.02 valve heads on a 318

Krooser said

Larger bore is the reason...go ahead and use a 3" valve. Let us know how that works.

Click to expand...

IQ52 said "The 2.02 barely enters the bore. You can run a 2.05" intake in a 318. AND what about the other 90% of the larger valve that isn't anywhere near the bore? Do you suppose it won't flow anymore air than a 1.78 or 1.88."