Alterntor options- why just stock or 400 dollar mean green

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Jun 25, 2003
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I dont understand this. I have an 82 fj40 with 2 extra 6 inch lights and a pretty biig stereo and a winch. i realize the small stock alternator is kinda small for this stuff including all my stock stuff so i dont mind moving up to a larger one but all that is available that will swap right in is the mean green at 350-400 bucks. man-a-fre used to offer an 80amp alt. and i think that would do the job but 200 amp mean green is overkill. what a cheap way to get 80 or so amps. does anyone offer a hi ouput alternator that will swap right in to my 40 i would i have get a chevy one or have a shop beef mine up. thanks
 

73lndcrsr

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Check on the alternator off a mini-truck or early 80's Celica. IIRC they are about 65 amps and look just like the cruiser, but with internal regulator.
 
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Is your stock alternator in good shape? What about voltage reg? Yours is more powerful than mine, and mine (original with new brushes and volt. reg) could handle my 2 extra lights and what used to be a decent stereo easy as long as I'm not idling. If the alternator is shot then its probably worth it to look at upgrading, but mine only needed a cheap set of brushes and an hour to return to good working order.
 
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get a 140 amp power master for about $150.00 be sure to get a bigger wire from alt to bat and your set ,i have a one wire one that handled running my winch for about an hour on idle pulling several stumps out of the ground
 

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