Vacume Advance

[dXsquared]

what do the vac lines on the vac advance do? i know one goes to the carb and i think the other goes to the manifold... which does what?

Travis

[A20A1]

Do you mean for the weber install?

#2 vacuum line goes to the carb the other is #25 and you plug that one. Anyways the distributor should have the #2 port marked with an arrow or a circled #2.