Ported vs manifold for vac advance? Vacuum Advance Ported Or Manifold
vacuum lines,port of manifold and ported Vacuum advance test run Vac advance, ported or manifold? | Mustang Forums at StangNet We know a modified engine normally wants vacuum advance on manifold vacuum. What if it's a mild engine? I tried mine on both Ported Vacuum #shorts Manifold vacuum or Ported so last time i just did a quick education on vacuum advance and got alot of feedback wanting more info. also some nay sayers so ...