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ho alt vs. stock alt
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  1. Scion xB Engine, Tech, & Performance
    I had a question about an alternator I plan to purchase soon with HO amps to run my audio system. I was advised that it would be to the best benefit if I got a double pulley for my stock alt (To run the 2nd above) and just added the 2nd HO alt above my original, thus to keep from the extreme...
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