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Lower Low For The 20

Discussion in 'Builds and Fabricators Forum' started by RATTYFLATTY, Jan 13, 2019.

  1. Jan 13, 2019
    RATTYFLATTY

    RATTYFLATTY I think you need a little more throttle

    Central MN
    Joined:
    Oct 23, 2007
    Messages:
    515
    Dug threw my pile of parts and found a spare 18 along with the correct Bronco 20 gear to get 2.52 low range in my 20. Have to wait till next weekend to finish. Heading for Sparks NV for work this week

    EB5D4059-F33D-483A-93F6-EEA34127D8C2.jpeg 6EC8E54B-DF4C-4E92-9CAA-290A30450224.jpeg .
     
    Last edited: Jan 13, 2019
    Rich M., 47v6, 73 cj5 and 1 other person like this.
  2. Jan 13, 2019
    ITLKSEZ

    ITLKSEZ Hope for the best, prepare for the worst

    Liberty Lake, WA
    Joined:
    Aug 13, 2015
    Messages:
    6,656
  3. Jan 24, 2019
    RATTYFLATTY

    RATTYFLATTY I think you need a little more throttle

    Central MN
    Joined:
    Oct 23, 2007
    Messages:
    515
    Well it got done last night. Went smooth and only a little grinding had to be done. This was on the bottom of the case where the inspection cover ends. This case did come out of a J-truck. My crawl ratio went from 52.89 to 65.66



    D080A5FF-1A2D-4D64-8F1F-245055845C4C.jpeg 2BF5EEDA-A16D-4697-923F-BEBC643BF505.jpeg
     
    Last edited: Jan 24, 2019
    Rich M., Bowbender, jeepermc and 3 others like this.
  4. Jan 25, 2019
    johneyboy03

    johneyboy03 The green beast

    Quebec, Canada
    Joined:
    Jan 15, 2011
    Messages:
    2,115
    Nice work....may look over doing that to my jeep.

    Do you keep the intermediate gear or you need to use the bronco one?
     
  5. Jan 25, 2019
    Chuck

    Chuck Sponsor

    Southshore Ma
    Joined:
    Sep 19, 2004
    Messages:
    1,463
    I understand there is less grinding on a J-truck case
    I have a bronco gear as well.
    I was driving home in my 3b one day when I looked into my rear view mirror and noticed a police officer following me....I starting thinking a brake light is out... he follows me into my driveway
    Turns out he just wanted to chat about my 3b, and turns out to be a bronco guy, talked for almost and hour.
    2 weeks later I get a knock at my front door, its the same officer, says he has something for me, hands me the bronco gear.
    Since that time he stops by at least once a year when he sees my shop door open to chat.
     
    Focker, Twin2, 47v6 and 3 others like this.
  6. Jan 27, 2019
    nickmil

    nickmil In mothballs.

    Happy Valley, OR
    Joined:
    Sep 23, 2002
    Messages:
    12,529
    The Bronco low range conversion nets you a 2.46-1 conversion. I hope you used the 18-8-37 slider gear from the Bronco as that is the only one that works correctly. The 18-8-58 will not mesh correctly.
     
  7. Jan 27, 2019
    RATTYFLATTY

    RATTYFLATTY I think you need a little more throttle

    Central MN
    Joined:
    Oct 23, 2007
    Messages:
    515
    47v6, 73 cj5, ITLKSEZ and 1 other person like this.
  8. Jan 28, 2019
    johneyboy03

    johneyboy03 The green beast

    Quebec, Canada
    Joined:
    Jan 15, 2011
    Messages:
    2,115

    I would love to have that kind of police here.

    Were i live you police will make you feel like a criminal riding that old thing around town....
     
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