compression help??318 .....

WOW thats better than i thought...its going to be a srtip/street basically pleasure....im using 904 for now because i have it..planing on going with a 2500-3000 stall
8 3/4 rear end either 3.91 or 4.11 undecided..hopeing to get help on tire size but one thread at a time...im looking at voodoo solid cam or mopar purple cam..i think solis is the way to go have 273 adjustable rockers..thoughts.................