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Dealer says no, others say yes

Discussion in 'General Jeep Discussion' started by jeep0335, Sep 6, 2019.

  1. Sep 6, 2019 at 10:48 AM
    #1
    jeep0335

    jeep0335 [OP] New Member

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    Just purchased a 2019 Jeep Wrangler Moab and the dealer installed a 2.5” mopar lift, 22” on 37s. When I inquired with the dealer about needing to regear due to the 22s on 37s, dealer says the Moab model doesn’t need regeared for any wheel size under 40s. Is this correct? I know it’s new, but I’m only getting about 12mpg but have heard others running 35s getting upwards of 17mpg.
    This is my first Jeep and I love everything about it but also think the wheels and tires are a little too over the top so I may be over complicating things. Thanks for any advice.
     
  2. Sep 6, 2019 at 11:12 AM
    #2
    Prerunner1982

    Prerunner1982 Well-Known Member

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    From what I can find the MOAB came with a 32" tire and a 3.54 gear ratio, going up 5" in tire size I would look at getting it re-geared. The Rubicon has a 4.10 gear ratio so it may be able to get away with a little larger tire. And while you can still drive the vehicle without re-gearing as you found it's not quite a peppy or fuel efficient as it was before. I imagine the dealer didn't want to do the gear install especially if they weren't going to get any more money for the vehicle.
     
    Jeep4Life and jeep0335 [OP] like this.
  3. Sep 6, 2019 at 11:20 AM
    #3
    aggrex

    aggrex Well-Known Member

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    Welcome @jeep0335 ....with 37s regearing is the right thing to do. In addition one should update the jeep with a programmer for accurate AT shifts, speedometer and mpg calculations.
     
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  4. Sep 6, 2019 at 3:07 PM
    #4
    aggrex

    aggrex Well-Known Member

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    Just curious....did the dealer install the same heavy 22x37 spare tire on the tail gate? To each their own but IMO the 22x37s are expensive to replace, heavy, easily damaged and not good for off-road.
     
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  5. Sep 7, 2019 at 4:57 AM
    #5
    jeep0335

    jeep0335 [OP] New Member

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    yep they sure did. I asked if they needed to install a aftermarket tire carrier and they said they installed the Mopar recommended spare tire upgrade for the 37 tire which does put the tire away from the bumper, but does nothing for the hinges. I see online there are other options out there highly recommended due to the mere size of the tire. The tires and wheels are going to be expensive to replace, which I’ll do at some point in the future, but for now just going to enjoy the Jeep. You’re correct, won’t be much off roading on 22s. I think it’s a good looking Jeep just a lil too dressed up imo. I debadged it the second I got home and it looks much better now but needs some 17s instead of the 22s.

    5EF52F49-8F5E-4184-9212-47D4B154EF8D.jpg
     
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  6. Sep 7, 2019 at 5:09 AM
    #6
    jeep0335

    jeep0335 [OP] New Member

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    Not having owned a Jeep before, I do not have any prior experience to compare the Peppiness to. It does have some, but for such a small vehicle I definitely would’ve expected more. MPG is even terrible. I’ll do the recommended re-gear and programming in the near future and update y’all on the difference. Thanks again for all the input.
     
  7. Sep 7, 2019 at 4:01 PM
    #7
    Jim Beam

    Jim Beam Well-Known Member

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    Another issue with big tires is stopping the dam thing. Sometimes the vehicle in front of you will take care of that. I have seen a lot of guys add a larger brake booster to help out.
     
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  8. Sep 7, 2019 at 7:06 PM
    #8
    aggrex

    aggrex Well-Known Member

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    Check out some of the big brake kits from TF or Dynatrac
     
  9. Sep 8, 2019 at 6:17 AM
    #9
    Blue Baby Sound

    Blue Baby Sound Well-Known Member

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    All the world's indeed a stage And we are merely players Performers and portrayers Each another's audience Outside the gilded cage
    Build threads in sig
    ^^ +1 on all of the above.


    It's truly sad, but after years on Jeep forums one thing I've learned is that if the conversation starts with "The Dealer Says", then the answer is no :) They excel at building Jeeps as cheaply as possible and charging as much money as they can for it. The "Bro-Dozer" look is super popular for new Jeep owners as they look cool (to a newb) and tend to sell quickly. Fortunately you're smart enough that you've already figured that out.

    I'm not a JL owner, and the trans is a little different than the JKs I'm familiar with. That said, 32 to 37s is a big increase and needs to be regeared. As a comparison my wife's JK on 37s and 4.88 gears gets about 16mpg average. My JK on 40s and 4.88 gets 14.5mpg, it's not really geared for 40s.

    If <<big IF they truly replaced the tire carrier with the Mopar then you're good there. And like mentioned above, throw a BBK on there.

    You would truly be my hero if you did a modern day tribute to this :D

    r64wC2_e3dbdc51acfde61ad66b9300d0675541d5b1b8a7.jpg


    https://news.yahoo.com/soar-high-1976-jeep-cj-153203490.html


    Good luck! You've got some great Jeep bones to start with.
     
    Prerunner1982, chris4x4 and aggrex like this.

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