Advice on stroker build with cracked cylinder

Try and find a camgrinder that really knows MOPARS
not that the MOPAR PERFORMANCE is not a good cam if the specs are right for your build, gears, use, etc
much better than any .842 lifter cam
not as good as a modern .904 cam
do get the quench right

Man, tons and tons of people have been BEATEN by combos that use the exact opposites of everything you've mentioned here. There are certain advantages to a different style lobe in a Mopar. It is all combo dependent. Trying to lay down one set of rules doesn't work, because somebody will come along and break them.