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#613392 01/25/2010 7:54 PM
Joined: May 2007
Posts: 112
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Shop Shark
Shop Shark
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Joined: May 2007
Posts: 112
Hi guys.
Is there any way to increase the voltage without to change the diameter of the alternator pulley ?
I note that in "ralenty" the alternator just give me 13V, obviously more speed, more voltage. I have the old style external regulator.
The alternator is a delco remy 12v. Is there different pulleys diameters?
thanks
Alfonso

Joined: Feb 2004
Posts: 29,748
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Kettle Custodian (pot stirrer)
Kettle Custodian (pot stirrer)
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Joined: Feb 2004
Posts: 29,748
Speed doesn't have a lot to do with voltage, once the alternator is turning fast enough to develop any charge current at all. Under the cover on the regulator, there will be two coils of wire, with contact points attached to them. One is simply a relay- - - - -don't fool with that one. The other coil will have a set of points held closed by a spring, and the spring mount has a Phillips screw for voltage adjustment. GENTLY tighten the screw (clockwise) to increase the voltage, and put the cover back on temporarily so you get an accurate reading. DO NOT allow the cover to come into contact with any of the internal workings of the regulator or it will be smoke time. When the voltage adjustment is correct, the voltmeter should read 14.5 to 14.7 volts with the alternator charging against a fully-charged battery. Be sure the battery is charged up all the way before making any regulator adjustments.
Jerry

Last edited by Hotrod Lincoln; 01/25/2010 8:19 PM.

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Joined: May 2007
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Thanks Jerry, very helpful!!
Alfonso


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