Help on 408 build

If that 34cc -.020 CH magnum piston would not get him down nothing would
down too far? use a thin gasket
someone said it would take an 1/8 shim
that's a bunch
most i've done is stacked two gaskets as a quickie get home band aid
you could retard the cam 4 degrees but that by itself would not solve the problem but it would show if you liked more duration for your driving habits and preferences
I've retarded 8 degrees when running stock class requiring stock camshaft (not a cheater)
low gears and rev the snot out of it
measure twice- cut once
as I said great discussion in this thread
(actually cam was retarded a whole tooth then advanced- not rocket science but not easy for the tech's to catch either)