Thread: alternator upgrade

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  1. #1 alternator upgrade 
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    Seems that someone discovered that a denso 104210-4360 is a good swap for this car.
    Also a 08 up impala swaps
    Not sure if this info is new here, but here you go.

    11180 -

    Looks like it was in a lucerne.

    just need the regulator converted.

    Info, Might already be out there if someone has the time to look.

    these are the oem numbers

    20757890
    20911162
    25764632


    Alternators - Pontiac - Grand Prix - 3.8L - 2005 - 2008 - Mechman Alternators


    feel free to add to this or take away.
    not saying it is right or wrong.
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  2. #2 Re: alternator upgrade 
    GTP Level Member 04lss's Avatar
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    What is the benefit to this?
    2017 GTI 6mt 320whp 400wtq , 2012 Volvo S60 T6 300hp of Swedish safety, (Sold) 2019 Ford Mustang GT. 460 screaming eagles. 2004 Buick Regal GS "Gramps" Intercooled, corn fed, ported g3 m90, 1.9 rockers, 80# injectors.
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  3. #3 Re: alternator upgrade 
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    My guess is that mechman determined it was the best to turn up the amperage inside of to 240, also seen some 150 amp alternators for the 08 impala , police duty you know.
    It is a Frankenstein thing I ma sure some parts from here some from there,
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  4. #4 Re: alternator upgrade 
     

  5. #5 Re: alternator upgrade 
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    ACDelco 150 Amp Alternator - New
    Part #: 15846253 Line: ACD
    ☆☆☆☆☆
    No rating value for ACDelco 150 Amp Alternator - New (0)
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    Alternator New; 150 Amp (KG4)
    New Or Remanufactured: New
    Amperage (A): 150 Amp
    Pulley Belt Type: Serpentine
    SHOW MORE
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  6. #6 Re: alternator upgrade 
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  7. #7 Re: alternator upgrade 
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    Don’t see many cases to where this would be worth the trouble.
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  8. #8 Re: alternator upgrade 
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    alternator upgrade-screenshot_20200919-221301-jpg
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  9. #9 Re: alternator upgrade 
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  10. #10 Re: alternator upgrade 
    GT Level Member Hurricane87's Avatar
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    How hard would it be to fix the regulator? I can think of no circumstance where I wished I had less current, and many where I needed more
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  11. #11 Re: alternator upgrade 
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    I do not know, I am sure, it is all off the shelf stuff.
    I will make a few more pictures between now and next week of the Mechman installed.
    It is tight.
    And I see no numbers on it to give a clue.
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  12. #12 Re: alternator upgrade 
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    Also mechman sells that small diameter pulley cheap.
    Might be a good start.
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