82 500 SELvac advance

jplrace
12-20-2007, 11:50 PM
I have an 82 500 SEL that has a bad vac. retard, it only has one vac port all I can find is one with two ports. I think it will work with the advance side hooked up to ported vac and the retard side to manifold vac. If anyone has any info on this I would like to hear your imput
Thanks,
JPLRACE