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    VWVortex


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    Thread: Alternator Upgrade

    1. Member
      Join Date
      Mar 10th, 2002
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      2003 VW Jetta GLI 24v, 2008 Yamaha R1
      04-18-2012 12:42 PM #1
      I wanted to upgrade the alternator on my 2003 Jetta GLI 24v. Currently I have the stock 120A alternator. I want to install a 1000w amp and I don't think the alternator is going to be able to keep up with the draw of the amplifier. Anyone think I could install a toureg 3.2L 150A alternator on my 24v?

    2. Member
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      04-18-2012 08:11 PM #2
      still all alone...no one have any insight?

    3. Member Jo|\|'s Avatar
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      Mill Creek, WA
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      04 GTI, BDF, 3.2L on standby
      04-19-2012 07:17 AM #3
      Forget upgrading the alternator.

      Bring these specs to car toys or someone who can properly build a box. http://i.imgur.com/ktYVz.jpg
      Buy this amp http://www.crutchfield.com/p_500MRPM...00.html?tp=115
      and this sub http://www.crutchfield.com/p_13610W3...Brand|JL+Audio.

      The box is designed to fit in the trunk of a MK4 and use the stock alternator, and it's also the correct volume for the sub. Once it's tuned properly and you have a strong/clean signal from the head unit you'll be amazed. It will hit harder then anything you can fit in the space and won't have that floppy bass noise when you bring the volume down.

      Running a 2nd battery would probably be easier then messing with the alternator. My lights never dim and I'm running a single battery with the stock alternator.

      The car audio section maybe better suited to help you with audio related upgrades.

      The amount of pressure created by this system will make your ears hurt, be careful.
      Last edited by Jo|\|; 04-19-2012 at 07:56 AM.

    4. Member ki11abee's Avatar
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      2003 GLI
      04-24-2012 04:42 PM #4
      if you are still wondering about the higher amp alternator.. i am running a 140amp with no issues.
      Kool Haus ORIGINAL I took a crap at the kool haus before you even knew about it.

    5. Member
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      04-29-2012 09:57 AM #5
      Quote Originally Posted by ki11abee View Post
      if you are still wondering about the higher amp alternator.. i am running a 140amp with no issues.
      Can you tell me a little more about what you did?

    6. Member ki11abee's Avatar
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      05-01-2012 04:25 PM #6
      Quote Originally Posted by A216VCTi View Post
      Can you tell me a little more about what you did?

      When my stock alternator let go the place I got my new one from gave me the option of a higher amperage one, so I paid the extra cost and got it.
      Kool Haus ORIGINAL I took a crap at the kool haus before you even knew about it.

    7. Member
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      05-02-2012 11:16 PM #7
      Quote Originally Posted by ki11abee View Post
      When my stock alternator let go the place I got my new one from gave me the option of a higher amperage one, so I paid the extra cost and got it.
      Did they rebuild yours?

    8. Member ki11abee's Avatar
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      05-03-2012 09:05 AM #8
      Quote Originally Posted by A216VCTi View Post
      Did they rebuild yours?

      No they had one already
      Kool Haus ORIGINAL I took a crap at the kool haus before you even knew about it.

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