hey guys, if i have "dished" pistons will i have valve clearance problems wanna run a big cam somewhere around .500 with a 106 to 108 figures any ideas?? here's one is there ANY possible way to check what pistons i have without lifting the heads?? i know its a long shot just not ready to replace head gaskets btw..its a 70 "SF" block last time i looked i already have aftermarket springs in the heads (springs have red and green paint splashes) any idea what brand they are??? HELP!!! trying to get all the info i need before spring hits Rich Martel 70 GS 455
