hey i got a question i want to through out to see if there is anything i need to look at. i converted a 1991 4.3, pre vortec,pre balance shaft, engine to a 4 barrel carb, it runs great until you get it opened up. it hesitates and stumbles.
is the timing different with a 4 barrel compared to 2?
im wondering if the fuel pump cant keep up but i doubt that is the issue.
or maybe the ignition system is breaking down.
anyone do this conversion and have this problem?
is the timing different with a 4 barrel compared to 2?
im wondering if the fuel pump cant keep up but i doubt that is the issue.
or maybe the ignition system is breaking down.
anyone do this conversion and have this problem?