Rpm 340 Cyl heads on a 318 !

mini said
The 202 valve will not hit the cylinder wall. C'mon YR that's some bullshib

I said “IIRC” but in any case that 2.02 valve WILL benefit from notching the bore. It takes about 5 minutes on a flow bench to see that.

A 2.100 valve on a 4.080 bore picked up with a notch.