Guest Anonymous Posted July 15, 2001 Share Posted July 15, 2001 All, Since I bought the car from Myron, I have been fighting a vacuum advance issue. Whenever I connect it, at cruise idle, it stumbles quite a bit. I am running 16 deg initial, 20 deg mech advance, and the vacuum. The mech advance comes on fully by three grand, and that;s where I see the majority of my problem is three grand and above. Any suggestions? My setup is: Std Chevy Dist with MSD pickup, MSD 6AL Two different vacuum advance modules. Thanks Ct.. Quote Link to comment Share on other sites More sharing options...
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