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If your batteries have six hundred cranking amps each, you should be able to run the alternator.
600 + 600 = 1200 per hour. 1200 divided by 60 minutes = 200

If you weight over 200 lbs it should mean your batteries will last a minute after you start the car. :rolleyes:
 

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I'm just messing around. Of course it will charge the both batteries. The batteries are already wired together if it is a race car. Is it on a race car or a stereo?

Race car, you have to wire the red wire from the alternator to the open side of the safety shut off or the car will keep running......
 

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Discussion Starter #6
yes it is on a race car,and thanks a bunch man.what kind of alternator should i get.i heard some good things about powermast but im not sure.dont know much about electrical
 

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Ask me about my Weiner!..
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Screw Powermaster.. Some people have good luck, some like myself dont.. Mine burns up a few times a yr.. I keep spare parts in the car trailer LOL

I'd look somewhere else personally... I keep meaning too, but hell I can rebuild that thing in a few mins and parts are cheap, so screw it.
 
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