The 1971 Datsun 240z used the LT145-35 Alternator. This alternator used an External Voltage Regulator. The output of alternator at 2500rpm ( 1200 rpm of engine) is 34A at 14V. The output at 5000rpm is45A 14V.
1971 Datsun 240z Alternator Model # LT145-35
