350 mag carb bogging
 

I just rebuild a carburetor change a fuel filter and the engine still bogs under load I'm thinking the timing advance isn't working but I just can't I need to check in with a timing light does anybody know possible causes it's a 96 350 mag. With a thunderbolt 5 ignition I think the next thing I'm going to change is the knock sensor that controls the timing advanceon the thunderbolt 5 my question is has anybody ever have this problem and what they did to fix it thank you very much

put a light on it and see if it is advancing when revved. will tell you if it is advancing or not...

fixx
 

when you say you rebuilt the carb did you completely disassemble it??

is it a carter afb style??