Help on 408 build

luv ya b3 but changing to a quench dome piston gives him some quench whereas a gasket change does not an ok budget move if he can come with a balance como
will he have to change pushrods with a super thick gasket?
IMHO yes but TBD
anyway at this point he has all the variables and seems sharp enough to figure it all out
as you say existing cam will be fine -work on 60 foot times