Does anyone know what RPM the alternator is supposed to turn at idle? Is it the same as what a generator is supposed to turn?
Alternator pulleys have a significantly smaller diameter than what a generator pulley has.
Crankshaft pulley diameter has an impact on this situation as well.


1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission