i have a 94 750 small pin with a factory wet pipe,a westcoast head which i cant find gaskets for with i think 29 cc domes, a msd enhancer,single kehin carb 38mm i think but i broke it down for some hull fixin and i want to put pistons in it.ive seen that poeple put 82mm in them but will i have timing or detination problems from more compression?and will i need a bigger carb?some people say to run a timing advance,some dont?i think my compression was around 160 when i broke it down.could use any help i can get and also i live in central florida and would love to know if theres some good shops around...