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Thread: best alternator for an eaton swap?

  1. #1
    Join Date
    Nov 2009
    Location
    Newport Beach, CA
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    64
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    127

    best alternator for an eaton swap?

    I have just completed an Eaton swap and want to upgrade the alternator. I believe the reversing alternator spins it backwards from the stock rotation. I want a 150-200 amp alternator. I have read the cobra terminator or the police interceptor are good options. Seeking recommendations.

    Wil some alternators not work when the rotation is reversed?

    Thanks very much!

    Buck

  2. #2
    Join Date
    Jul 2004
    Location
    The Dirty South
    Age
    47
    Posts
    3,610
    I've had a DB electrical high output alternator for a few years and its been trouble free.

  3. #3
    Join Date
    Jun 2011
    Location
    Northeast OH
    Posts
    7,509
    Marauders use a 4G alt. Not the same used in p71
    2004 SB Ported Trilogy 48
    Has supporting mods and stuff
    Thanks to Marty O for his help in updating this car.

    R.I.P.
    Rex "SC Cheesehead"

  4. #4
    Join Date
    Nov 2009
    Location
    Newport Beach, CA
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    64
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    127
    Thanks
    Do you know the amperage output on your DB Unit?

    Buck

  5. #5
    Join Date
    Jul 2004
    Location
    The Dirty South
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    47
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    Mine is 160amp

    They make them in higher amp ratings

  6. #6
    Join Date
    Nov 2006
    Location
    Ogden Utah
    Age
    38
    Posts
    2,177
    I have the DB 250amp alternator in mine. I did blow it once while running underdrive pulleys and hitting 6300rpm. I sent it back in and they repaired it no questions asked, under warranty even though it has been out of warranty for several years already. I highly suggest them.
    2003 300A
    Build date 9/27/02
    Sequence# 5244 of 7839
    I have a few things done to it, Eaton swap next!
    1993 Ford Taurus SHO-Every bolt on available...Awaiting a Turbo
    2008 Ford F350 SD
    1974 Ford F350 SCS
    2011 Ford Flex Titanium, Ecoboost
    www.cardomain.com/id/shofast
    If you don't stand behind our troops; please feel free to stand in front of them!

  7. #7
    Join Date
    Nov 2017
    Location
    Blue Springs Missouri
    Age
    43
    Posts
    27
    What good is it if when hit you a mild 6300 rpm’s it goes bad? I’d be replacing alternators daily.

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