Looking for more HP from a 360

O.k,if I run my 360 bottom end(crank .10 over,pistons .30 over are .21 in the hole)does this give me 9.1 compression?If I add the Eddy RPM heads?What rockers,what cam?And what HP gain will I get?I know I,ll have to change my stall from 2500 to 3500-4000.Any suggestions.I,m really contimplating the 426 stroker kit.:read2: