12 volt converson.

John-MI · May 31, 2011

Is it necessary to rev the engine after starting to excite the alternator? It is a single wire Delco. I have been told yes and no. Thanks for your help.

Paul from MI · May 31, 2011

Generally yes, but a smaller pulley on the alternator will minimize the need for high RPM's to excite the alternator.

Jon Hagen · May 31, 2011

Also do not oversize a "1 wire" alternator, Many replace a 20 amp 6V generator with a 61 amp "1 wire" 12V alternator. Thats a totally unnecessary 600% increase in charging capacity.

A 37 amp "1 wire" Delco will excite at 1/2 the rpm of a 61 amp "1 wire" alt.
The 37 amp alt is still several times the wattage of the original 6V generator, so no need to go to a large "1 wire" alternator that needs much higher rpm to excite.

12 volt converson.

John-MI

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Paul from MI

Well-known Member

Jon Hagen

Well-known Member

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