mn102483

hi all . I just bought a 92 mustang that has a bad surging problem and some times car turns off . when turning ac on car shuts off right away at idle. every once in a while car will not serg and run good but when it does serg car looks like it runs rich with a lot of smoke coming out the fuel gauge on car says about 35 psi and goes up and down as it serges . I have changed the iac. egr .tbs. and the pcv valve and still nothing does any one have any ideas that might help . car has holly aluminum heads that where ported and upper and lower thplon mainifold

mjr46

check for vaccum leaks and what maf and inj's does it have?? stock cam??

mn102483

it has a e303 cam 24lbs injectors and bbk mass ais flow sensor calibrated for 24lbs injectors

mjr46

check for vaccum leaks also, I use a smoke machine to leave no doubt