Rpm 340 Cyl heads on a 318 !

The 202 valve will not hit the cylinder wall. C'mon YR that's some bullshib
@yellowrose The 2.02 will not hit the wall.
@mini What he is saying is to open up the area to lessen the valve shrouding. This is most noticeable on a well prepped high HP engine (AKA race engine levels) and where you see big bore/short stroke combos zing out RPM. There HP curve up top just keeps going.