Lately there have been several threads that all seem to be discussing timing advance problems related to the E12-80 electronic distributor conversion on older engines. For example: http://www.classiczcars.com/forums/showthread.php?t=34031&highlight=E12-80 http://www.classiczcars.com/forums/showthread.php?t=34073&highlight=E12-80 http://www.classiczcars.com/forums/showthread.php?t=34126&highlight=E12-80 In at least one of them I ask if there was any way to know whi