Could somebody tell me how much additional advance shoud be added when the vaccuum port is connected on a motorcraft electronic distributor when i connect mine my timing goes from 12 to 40 does this sound correct Steve Rideout Tottenham/Ontario 1973 fresh plum AMX _______________________________________________ AMC-List mailing list AMC-List@xxxxxxxxxxxx http://www.wps.com/mailman/listinfo/amc-list or go to http://www.amc-list.com