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Thread: alternator upgrade question

  1. #1
    Registered User ngallina's Avatar
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    Default alternator upgrade question

    I have a 73 240z with no electric fuel pump. I just installed the ZXP plug and a 280zx 60amp alternator. The new alternator appears to have a cut out on the back of it. Do I need to unplug the one that was bolted to the external voltage regulator?

    Thanks
    6/73 240z

  2. #2
    No more body roll! SteveJ's Avatar
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    Post pictures of both alternators so it is clear what you are talking about.
    73 240Z
    74 260Z

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  3. #3
    Registered User ngallina's Avatar
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    The cut out in attached to the right side of the external voltage regulator.
    Click image for larger version. 

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    Here you can see an object that looks like the cut out attached to the back of the new alternator.
    Click image for larger version. 

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    Here is a clear picture of the cut out with the external voltage regulator removed.
    Click image for larger version. 

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    6/73 240z

  4. #4
    No more body roll! SteveJ's Avatar
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    FYI, most people here will refer to that as a condenser. You only need one. Go with the newer one. Also verify whether or not your new alternator is internally regulated.
    73 240Z
    74 260Z

    Blue's collection of tech tips - A great place to look for answers
    XenonS30 -The cheap source for FSMs
    Georgia Z Club
    Fiddling with Z Cars - Z car tips & tricks and pictures of my car-loving life.
    Steve's CARtography - Just car pictures.

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