Setting up my FiTech 600pa for timing control. Fixing ignition issues, and pitfalls to avoid. Drill a spare MSD cap for phase your rotor. Everything you need to know on a 390 FE in my 1964 Mercury Monterey. Also, the ignition fires based on when the magnet passes the pickup; FiTech reads this signal wave and sends a spark command with the programmed amount advance. The FiTech does not know the rotor / cap relationship, that’s why you need to make sure it’s correct.
