Chevy valves-J heads rocker geometry tricks

chevy valves for flow on LA heads eh? tsk, tsk, tsk. this cracks me up that people use chevy valves looking for that voodoo cfm flow.
they punk out and buy cheap chevy valves instead of going with something like ferrea mopar valves and expect that there will
be know problems. lol. they make undercut valvestems for a reason.

what exactly makes a valve a chevy or mopar valve ? Doesnt ferra also make valve for chevys ? Kinda a dumb statement.