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Thread: Alternator

  1. #1

    Default Alternator

    Does anyone know where i can get a heavy duty alternator for my 2009 Chevy Silverado 2500HD? My current alternator is a 160 amp Bosch that came from the factory. Thanks.
    Padre (Chip)
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    2009 Silverado 2500HD Extended Cab, long bed, Blue Granite

  2. #2
    Legend unplugged's Avatar
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    You might want to specify what you mean by "heavy duty" but stop on by http://www.alternatorparts.com/ and see if they have what you need.

    "Extreme Duty" Dual Rectifier Alternator 150, 170, 200, 250, and now on Special Order 350 amp Alternators, Call 1-616-785-7990 for Details
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  3. #3

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    I want at least a 250 amp. I am running a lot of electronics: Plow, sander, amp, HID's, and I'm about to get an air horn.

  4. #4

    Default

    Taken from this page:

    Quote Originally Posted by rjminjectiontech.com
    a 6rib belt can only generate ~180amps before it will slip.
    I don't think you're really going to be able to get more than a 160ish alternator and actually produce the rated current without moving up to a bigger serpenteine belt. FireGuy's explanation on high-amp alternators make sense. You may want to consider moving up to a dual-alternator setup to get more power, but even then you may need a bigger belt to keep from shredding the belts.
    Christopher

    1991 Chevy Suburban 1/2 ton 2WD w/ chevy SBC 350-3/4 ton drivetrain upgrade w/4.10 gears 200K miles
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  5. #5

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    Thanks Crawdaddy. I would have to change more than the alternator, I see!

  6. #6

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    check out iraggi alternators.
    Bagged 06 Silverado Crew Cab.

  7. #7
    Master Mechanic TritonBoulder47's Avatar
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    Quote Originally Posted by ZSI52 View Post
    check out iraggi alternators.
    +1... They are bad ass!!!

    Tim a.k.a. Da' Boulder

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