thats a nice combo a couple of things strip and clean heads check for dags ,machining flash etc, roll the inner edge of ithe dish ii the piston ,this helps with detonation , use stud kit top and bottom , comtic head gaskets , 150 gas ,easy mid 10 sec car. this slip of mine was with j heads mopar 252 @050 cam 10.5 comp 150 gas full street trim ,and probe dish pistons .thin rings std all probes (no mods) on mine.