ive recently had my 79 ironhead rebuilt,30 over weisco pistons,andrews Y cams new rowe valve guides,jims +.005 tappets,new manley valves and a twin tech ignition ect.ect.they put a used S&S super E carb on it. the guy at the shop i had it built at said it ran real strong so i go get the bike.when i get it home i notice that the new pipes arent even blued from them running it??? so i tried to fire it up a couple times,it started and ran really rough popping and spitting for about 5 minutes so i shut it down and noticed wow the new pipes are blued now??? any way it ended up haveing bad gas i guess so i drained tank drained fuel bowl.wouldnt start tried a **** load more times finaly got it running and all it does is spit gas out the carb and make a loud popping i tried adjusting the shorty back to factory settings adjusting a quarter at a time and it seems to pop louder either way i do it and i didnt dare to keep going with it.is it just a shitty carb,did the guy ever even start it at the shop?/ who knows my question is the loud popping could a carburetor rebuild fix the gas spewing out the carb and the popping do i need a new one are the intakes right /the carb came off a 79 harley but i wonder if it was a shovelhead?would the intake be diferant than a 1000 from a 1340? any help would be great as the guy who built it went out af buisness and wont return my messages

 

Welcome to the Forum. You should post your question in the proper technical section, you'll get the help you need threre. Good Luck Brother.