20-03-2021, 10:44 AM
Accuracy in finding TDC for timing purposes - on a 1930's Austin - is largely academic - you set the thing with engine at TDC 'or thereabouts' and then fine tune on the road by ear. Half a degree either way makes no odds unless you're running a precariously tuned racer, and then you'll know what to do.
Still doesn't answer the question why some (at least 2!) flywheels were unmarked...
Still doesn't answer the question why some (at least 2!) flywheels were unmarked...