How much additional timing should be added when the vaccuum advance is connected on a motorcraft electronic distributor I have my timing set at 12 degees initial and when i hook up the vaccuum it jump,s to 40 is this normal does anybody know if they make an adjustable vaccum advance for this distributor Steven Rideout Ont/Can 1973 AMX _______________________________________________ AMC-List mailing list AMC-List@xxxxxxxxxxxx http://www.wps.com/mailman/listinfo/amc-list or go to http://www.amc-list.com