The rig develops 20" of manifold vacuum at idle. Ported vac revs up with throttle, which is the port to which the dist is connected. I need to check dwell, and I'm going to play around with the base timing. The motor vibrates at idle in gear, and I think it's not happy @ 4*.


1960 FJ25, 1993 FZJ80, 2000 Trooper
1968 C10, 1972 C2500