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Thread: Alternator upgrade help

  
  1. #1
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    ncohen's Avatar
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    Alternator upgrade help

    Hi all,

    I have an astra mk4 with a 140 amp alternator, but i want to know if anyone has upgraded it higher than that?

    If so how was it done? what amp alt did you manage to fit?

    Thanks

  2. #2
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    SQ Man's Avatar
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    Are you sure you have a 140 amp alternator? The largest listed in the parts listing is 120 amp.
    2003 Sapphire Black 3Dr DTi Astra
    Custom Irmscher kit, Interior Leather/Alcantara retrim & Alpine/Focal Install
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    yup its def 140 amp. its already upgraded...but i want a bigger one...or mount 2 if possible....

    thanks

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    You could mount a second one in place of the aircon pump if you're up for it. Mate has a 210amp landrover alternator on his Vectra.
    He did away with all the aircon gear, but obviously has the odd warning light due to the aircon being missing.
    2003 Sapphire Black 3Dr DTi Astra
    Custom Irmscher kit, Interior Leather/Alcantara retrim & Alpine/Focal Install
    Install progress (----------)

  5. #5
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    i would rather keep the aircon if possible. do you know of the biggest that will fit without major modifications?

    thanks

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