Hey guys I'm really in need of some help .here's what I got I bought a 84 d150 a couple years ago timing had jumped so I pulled it apart put in a cam lifter set ( mild towing cam) and elderbrock intake and carb. Seem to run fine but when u push the gas taking off normal driving it would spit back and shut off so I changed spark plugs set timing made sure timing advance was working it all was fine so I put a new holly 4 bbl 600 carb on it now is a little better so I drove it for a year or so now I have a new built 318 in it all I reused was carb intake and dizzy and coil still has the same problem and I'm lost plzz someone help I did just order a msd coil and new distributer haven't put them in yet