- Joined
- Apr 27, 2012
- Messages
- 4,765
- Reaction score
- 103
- Location
- Nashville, Tennessee
- My Car
- 1973 Q code Mach 1
no, I didn't realize it was all electronic on your car. You are probably right under that circumstance. In a distributor, the mechanical weights and the vacuum advance both move the plate the point, or the electronic pick up are mounted to. The plates have a slot that allows them only so much movement. Vacuum advance plus mechanical advance works until the limit is reached and then no more advance occurs. the plate doesn't care whether 10 degrees comes from vacuum and 20 comes from mechanical or the other way around it is just two different mechanical ways to move the same plate.