Plug gaps and forced induction?
For 5-7 psi with a MSD box and a Petronix coil where would a good starting point be for gapping plugs? I was running .048 N/A, I'm guessing .035ish?
78 T/A 463, Ultradyne custom cam, very ported Greg Merrick Heads, TH400, 3.31 12 bolt, 3425lbs
81 T/A 350 sbc vortec heads 4 speed 3.42 posi