RustyRatRod said I would turn the vacuum can adjustment all the way counter clockwise to start. This gives the advance the soonest in the vacuum range. Click to expand...
if the canister has a hex shaped end, the preload can be adjusted by turning an internal screw. This is done by inserting a 3/32" hex key (Allen wrench) into the nipple. Counterclockwise = higher vacuum needed to advance. Click to expand...