i traded my blaster for another 440. now i have 2. the new one i just got runs pretty well but there is a good bit of smoke rolling off the head after running it for about 5 minutes and if i gun it i can see white smoke puff out of the head gasket. is it just loose or a bad gasket? why is it smoking so bad? i can understand if it was just burning oil off the head from the previous rebuild (engine was just redone before i got it). i dont see any oil seeping and it has good compression idk if the head isnt tighteded down the whole way or if the gasket is garbage or what. any help would be appreciated.