the probelm i am having is that the feul pump went bad so i put in a new fuel pump its is a sx fuel pump so the guage is reading 45 at cranking now so i have presure then i check for spark and it has spark the car want to fire but it doesnt the comb i have is a small block chevy twin turbo and it has the fast system bank to bank if you could give me some ideas would be great thanks dave