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Thread: What are the weak links in the Rubicon JL drivetrain?

  1. #21
    Been Around the Block Rgk401's Avatar
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    Quote Originally Posted by Hoffer View Post
    I can take that as an answer. Thank you

    I'm not bent out of shape at all. The 1st post seemed pretty straight forward. This post would pretty much have answered it very simply.
    Youíre very welcome.


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  2. #22
    Fresh Catch
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    Quote Originally Posted by Hoffer View Post

    Lets say what would normal breakage on a hard MOAB trail (Pritchet canyon comes to mind) on stock drivetrain with a non idiot driver

    Alternative question although similar ...

    What is the a list of things that will break in order of weakness running 37's on a stock a Rubicon JL

    front axles?
    driveshafts?
    rear axles?
    From what I have seen/heard I would think with 37" tires and a non-idiot driver, nothing will break. Now if you go larger on the tire or drive overly aggressively, I would say axle tubes would be what I would look at improving first, but I wheel on the East US where you sometimes need more throttle and speed to get over the more slippery obstacles. I would think u joints after that, then pinion if geared at or below 5.13 and going too far on tire size (say 40"). All just guesses of course, as I haven't broken anything on my 37s.

  3. #23
    Nothing but a Thing
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    Id say the weakest link in almost any rig is the part that connects steering wheel to gas pedal. I've seen people make stock parts live when I never thought they would and I've seen people break shit that mezmorized me how. Lol

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  4. #24
    Caught the Bug
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    Quote Originally Posted by Amric View Post
    From what I have seen/heard I would think with 37" tires and a non-idiot driver, nothing will break. Now if you go larger on the tire or drive overly aggressively, I would say axle tubes would be what I would look at improving first, but I wheel on the East US where you sometimes need more throttle and speed to get over the more slippery obstacles. I would think u joints after that, then pinion if geared at or below 5.13 and going too far on tire size (say 40"). All just guesses of course, as I haven't broken anything on my 37s.

    I agree with you especially on the east US wheeling. Everything is slippery, and muddy. We're in Kentucky, and on our last trip my wife was holding onto trees so she wouldn't fall spotting me. (She was always a safe distance away from the Jeep.) That being said our axles have held up great on 37s.

  5. #25
    That dude from Mississippi notnalc68's Avatar
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    Quote Originally Posted by 13_gecko_rubi View Post
    Id say the weakest link in almost any rig is the part that connects steering wheel to gas pedal. I've seen people make stock parts live when I never thought they would and I've seen people break shit that mezmorized me how. Lol

    Sent via....
    Best answer!


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  6. #26
    Been Around the Block Rgk401's Avatar
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    Quote Originally Posted by Amric View Post
    From what I have seen/heard I would think with 37" tires and a non-idiot driver, nothing will break. Now if you go larger on the tire or drive overly aggressively, I would say axle tubes would be what I would look at improving first, but I wheel on the East US where you sometimes need more throttle and speed to get over the more slippery obstacles. I would think u joints after that, then pinion if geared at or below 5.13 and going too far on tire size (say 40"). All just guesses of course, as I haven't broken anything on my 37s.
    Whatís a good gear for 37ís. I wanna get my 8th gear back. 5:13 or 4:88. I have a 2 door sport with the d44 front and rear axles. I wanna re gear before I do the swap.


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