slowfox

i have a 1987 gt 5.0 it has 3:73gears, b&m shift kit, cold air kit, msd coil cap an rotor, 9mm fms plug wires, cat back dyno max with h-pipe. the sending unit for the gas gage took a **** so i thought well in the tank i would put a bigger pump in. i have a holly 255 pump and a holly adjustabiel regulater. i put the regulater on last weekend and thats it now the car is running way to rich i think (if your stoped at a stop light your eyes will start to brun an water) but i have the pressure turned way down. the car runs ok but has a small surge to it im not sure what the pressure is set to right now but if i turn it up to the 32-40psi that it should the car runs very rough and smoke black smoke very very bad i need HELP i have no idea whats wrong any help i can get would be great thanks and sorry about my spelling thanks again