ok my blaster had horrible compression so i took of the head and i can push the piston around a lil bit. and also on the piston there is like scrapes or something like that ill post a pick in a lil bit but im wondering wtf it looks like its pre deting but im runnin 110 with octane booster and the rings arnt set eather they just like flop. ill get a pic of the piston in a sec. if any builders wanna trade stait up the arisol head and piston for a piston hone port and polish and head work on my stocker ill be more than glad to ship u both