Originally Posted by cobalt327
Try it and see. It would be better if the vacuum advance wasn't giving so much advance, but even so it may be OK using it on manifold vacuum.
Found this thread when I searched "vacuum advance":
Vacuum advance hooked up directly to manifold....is this bad?????
Going to read through this thread and see what will work best.
It seems without all the smog/emissions equipment, the better source is the manifold vacuum.
Will read through and report back.