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M38a1 24v To 12v; Delco Dual Pulley?

Discussion in 'Early CJ5 and CJ6 Tech' started by jeepljeff, Apr 9, 2024.

  1. Apr 11, 2024
    Ol Fogie

    Ol Fogie 74 cj5 304, 1943 mb

    Southern...
    Joined:
    Nov 24, 2019
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    1,820
    Yes, the 12 SI is a much better choice, and the mounts are the same as a 10 SI. Also you can get the 12SI with a 3 wire attachment that is much better, plus the 3 wire alt. can have a volt meter and an "amp" light both.
     
    Glenn and Dwins1 like this.
  2. Apr 11, 2024
    Ol Fogie

    Ol Fogie 74 cj5 304, 1943 mb

    Southern...
    Joined:
    Nov 24, 2019
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    1,820
    Did they have to hand prop them instead? :) ------Seriously I wonder how many batteries it took to turn over those big radials?
     
    Glenn, Dwins1 and Fireball like this.
  3. Apr 11, 2024
    PeteL

    PeteL If it wasn't for physics, and law enforcement... 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Hills of NH
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    Aug 3, 2003
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    I also have several six-volt vehicles, but somehow I survive.
     
    Glenn, Dwins1, Ol Fogie and 2 others like this.
  4. Apr 11, 2024
    Rick Whitson

    Rick Whitson Detroit Area 2024 Sponsor 2022 Sponsor

    I live South of...
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    Dec 2, 2014
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    I bought a S10I with a tractor pully on it that will work with a stock Willy's two shive pully, and the wide belt. If that will help PM me and I will find where I got it, I think it was a 60 amp S10I. I still have it in the box in my storage unit.
     
  5. Apr 18, 2024
    jeepljeff

    jeepljeff New Member

    California
    Joined:
    Mar 30, 2024
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    17
    Hmm, I thought I posted an update. I contacted Powermaster who makes the alternator and they recommended me a site. It showed one pulley that looks like it will work. it's for an International/Case Combine or some other tractor. I also picked up some Gates XL 7455 belts. I haven't been able to work on the Jeep so see if it will work yet though. The other problem I have is that the WillysWorks brackets that everyone raves about are for a CJ5 and need some tinkering to get the, to work. I turned the bracket around which brings the alternator back which seems to have helped.

    [​IMG]
    [​IMG]
     
  6. Apr 18, 2024
    Dwins1

    Dwins1 Member

    Port Richey, Florida
    Joined:
    Jun 20, 2022
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    296
    You need to dirty up that alternator. Lol
     
  7. Apr 18, 2024
    PeteL

    PeteL If it wasn't for physics, and law enforcement... 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Hills of NH
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    Aug 3, 2003
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    If it was easy, anyone could do it.
     
    Ol Fogie and Glenn like this.
  8. Apr 18, 2024
    duffer

    duffer Rodent Power

    Bozeman, MT
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    Sep 17, 2009
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    Link to that site?????
     
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  9. Apr 18, 2024
    vtxtasy

    vtxtasy oldbee 2024 Sponsor 2023 Sponsor

    Tucson, AZ
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    Feb 5, 2006
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    Available at Amazon and other places. Warning: May Cause Cancer in California. You should be ok though.
     
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  10. Apr 18, 2024
    jeepljeff

    jeepljeff New Member

    California
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    Mar 30, 2024
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    vtxtasy likes this.
  11. Apr 18, 2024
    jeepljeff

    jeepljeff New Member

    California
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    Mar 30, 2024
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    17
    Yeah, I still don't get the point of the warning when it's on EVERYTHING.
     
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  12. Apr 19, 2024
    jeepljeff

    jeepljeff New Member

    California
    Joined:
    Mar 30, 2024
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    17
    There's some grease smears on it! At least the hi-torque Land Cruiser starter will distract people attention... Or the solid state distributor? The pass. side is going to be so shiny... Hahah!
     
    Dwins1 and vtxtasy like this.
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