- Joined
- November 11, 2005
- Messages
- 57,106
- Reaction score
- 1,412
- City, State
- Brooklyn, NY
- Year, Model & Trim Level
- 88 89 93 95 96 Aerostars
What is the B&M shift +? I know that they make something that varies the vacuum going to the modulator. I once bought it, but never got around to installing it. It is basically a valve with a knob in the passenger compartment that lets you control the vacuum going to the modulator.