I really am getting the physics and geometry behind all this, but y'all are sure stretching my math skills!!!LOL
Tin, i'm gonna play with that retard/advance skip a tooth thing. BTW, I'm running one of those Australian made Engine Pro balancers. My machinist who balanced my rotating assembly put a small white mark on the front of it. I'll talk to him, but this is probably my... #1 cylinder BDC?