Ok so heres the update...i put a new fuel pump in my 94 z28...it runs way better and actually stays running...i went for a test ride and it still seems to have a lil hesitation...it pops out the exhaust on acceleration...i do have a kand n cold air intake and bbk stainless steel headers witha borla exhaust...idk if the maf has to be messed with or not....ne ideas?????