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What gear ratios came stock in CJ5s?

Discussion in 'Early CJ5 and CJ6 Tech' started by Sprocket, Dec 18, 2010.

  1. Dec 18, 2010
    Sprocket

    Sprocket New Member

    Joined:
    Dec 12, 2010
    Messages:
    28
    I did the 'ol "turn the tire-count the revolutions of the yolk" test on my CJ5 and came up with 5.??:1. Was there any 5.13's or similar offered in these Jeeps? Maybe someone threw in a gearset. I dunno but it is waaaay too low for what I'm wanting to do lol! I'm going to take the cover off the front tomorrow and count teeth to be sure. D25 & offset D44, don't know exact year of chassis but its early CJ5.

    Tried looking online and couldn't come up with anything.

    Thanks- John
     
    Sprocket, Dec 18, 2010
    #1
  2. Dec 18, 2010
    wlkrpines

    wlkrpines Member

    FERNDALE, MT
    Joined:
    Mar 22, 2008
    Messages:
    61
    I think the early's typically came with 5:38's.
     
    wlkrpines, Dec 18, 2010
    #2
  3. Dec 18, 2010
    Patrick

    Patrick Super Moderator Staff Member

    Los Alamos, NM
    Joined:
    Sep 22, 2002
    Messages:
    8,360
    4cyl. came with 4.27, 5.38
    V6 came with 3.73, 4.88
     
    Patrick, Dec 18, 2010
    #3
  4. Dec 18, 2010
    Posimoto

    Posimoto Hopeless JEEP Addict

    Minden, Nevada
    Joined:
    Aug 7, 2003
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    4,538
    So, what engine do you have in your CJ? What are you going to use it for?
     
    Posimoto, Dec 18, 2010
    #4
  5. Dec 18, 2010
    sparky

    sparky Sandgroper Staff Member Founder

    Perth, WA
    Joined:
    Sep 20, 2002
    Messages:
    9,221
    sparky, Dec 18, 2010
    #5
  6. Dec 19, 2010
    Sprocket

    Sprocket New Member

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    Dec 12, 2010
    Messages:
    28
    It had a V6 in it when I got it but after 50+ years who knows if its stock or not. There is an adapter from the bellhousing to the T-90 and the motor mount towers look aftermarket to me. But I could be wrong. I'm pretty sure I have the 5.38's. I'll know for sure tomorrow.

    It's going to have a SBC/th350/D18 setup in it and its use will be street, gravel roads, light offroad, and sand. I'm hoping to fit 35's on it. Even assuming I would get a true 35" tall tire I'm looking at(according to the gear ratio calculator http://www.grimmjeeper.com/gears.html ) I'll be running a bit over 3500RPM at 65, sure to be a gas guzzler lol! Alot of the little day trips we will like to take will be out of town so that won't be fun.

    Good link BTW!

    Thanks guys

    -John
     
    Sprocket, Dec 19, 2010
    #6
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