318 to 390 stroker

Right NM
no use going to a bigger cam than the heads can use throughout the intended range
you loose on the bottom and don't gain on the top
speaking of the to
the higher compression does not help the top more than a few percent
great in a heads up class but a PITA on a street/strip build
It helps mostlylower and mid range as AJ has said so many times
So pick the rpm range you want to run and build the motor to match
otherwise you end up having to match you use to the motor- tail wagging the dog
10:1 should be ok unless it costs a lot to get there
otherwise a REAL 9.2 can make an amazing broad power curve