danoreilly
Well-known member
- Joined
- Dec 16, 2010
- Messages
- 138
- Reaction score
- 4
- Location
- Colorado Springs, CO
- My Car
- 71 Mach1 351C 4V
02 Deluxe Convertible
67 Fairlane GT 390
71 351C. Anybody know what port goes to what accessory on the ported vacuum switch? The middle port goes to the distributor. The top and bottom ports go to an intake manifold port and to a timed vacuum port on the carb (Holley 4150). But, I don't which of the 2 ports goes to which place.