I have a 95 z28 just had the motoer rebuilt and the lt4 cam kit installed.since I got the motoer installed ive been fighting a miss fire loading up type prob.ive replace the plugs wires opti no changes then a new fuel pump. I notice my evap solenoid was being pkugge from stuff coming from the evap canister could the prob be that? Or maybe a bad maf or IAT sensor I also had to replace o e injector please help the rag and flame isgetting closer amd closer to the gas tank