New engine issues
Running MSD 8mm racing wires plugs gaped a 45. HEI ignition with GM 4 prong performance ignition control module 45,000 super coil . Mopar performance distributor from Mancini racing with performance curv. Stock mechanical fuel pump and Holley fuel pressure regular set 5 -1/2 psi max with fuel pressure gauge. 3/8 racing fuel line. I haven't tried running with out vaccum advance .