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Alright first things my system is 2200 watts peak, so is it posable to get a HO alternator and then put a pulley kit on the car with out screwing up my wattage or would that ruin the alternator?

 
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seems counterproductive. Pulley kits underdrive the alternator so its less of a parastic draw on the engine, which results in less amps being put out. Gotta choose if you want more engine power or more electrical power.

 
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No what i meant is that instead of me geting a 150a alternator i would get a 170a alternator, so then i would put a lightweight pulley on. But when i read aem site it says it's at oe spec but light, so does that mean i won't loose voltage or amp? My friend said these pulleys make your alternator and powersteering work hard because it's turnning fast, but i though i just turns easier, doesn't ?

Thanks

 
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I thought you were talking about the undedrive pulleys which reduce the output of all your accessories. If the pullies are to OE spec, i cant see a problem with it. What are you going to be running to require an alt upgrade?

 
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I just have 2 amps one is 1000 watts peak and other runing 1200 watts peak

 
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whats the fuses on them?