Good Initial Timing and Too much Total Timing Problem. Seeking guidance to minimize total timing. 1969 Swinger 340 4 Gear

Good Initial Timing and Too much Total Timing Problem. Seeking guidance to minimize total timing. 1969 Swinger 340 4 Gear

RRR is right on.

My 5.9 Magnum likes 20⁰ initial. I use an FBO advance limiting plate set at 14⁰ for an "all in" of 34⁰.