Your right on the factory markings on the numbers and letters, right is clockwise and left is the other way The numbers are the amount of distributor degrees advance, not crankshaft degrees, so if it is marked 12 it ends up having 24 degrees advance at the crankshaft
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
The numbers are the amount of distributor degrees advance, not crankshaft degrees, so if it is marked 12 it ends up having 24 degrees advance at the crankshaft 
