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Thread: Regear questions

  1. #1
    Mercenary Grizzly's Avatar
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    Default Regear questions

    I am going to be putting a lift on my Jeep here soon and had some questions. I am going with a 3.5" lift with 32" tires and was wondering if I need to re-gear? I currently have the stock 3.55 gears and the ol' 4 banger 2.5L. I plan on hitting light to medium trails and use my TJ as a daily driver. Any and all suggestions will be appreciated.

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    Time n Money Ghost00TJ's Avatar
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    Surprised the 4 banger didn't have 4:10's in it already. Not sure re-gearing would be worth the cost involved compared to the gains going to 32's.

    Your going to lose some hwy speed with 3:55/32's but you probably don't have much for up hill at 70mph anyway, either way I bet your down shifting.

    Someone with more knowledge will chime in.
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    Land Squid Jeffb_79's Avatar
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    I was under the impression all 4 cyl models came with 4.10 gears, and the 6 cyl came with 3.07, 3.55, and 3.73 or 4.10 in the rubis.

    Either way, you shouldn't need to re-gear for 32's. You'll notice a slight loss of power, but it shouldn't be bad.

  4. #4
    Just a country boy. distortedtj's Avatar
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    Actually Jeep Saw the need to put 3.55's in the AUTOMATIC 4cly. after about 97. Due to the automatic transmissions gearing.

    Shouldn't be all that bad with 32's on it. Most 32 are only 31 inches tall anyway. But the increase in rolling mass and the fact that your jeep will be sitting taller making it a larger brick for the wind to hit . Yes your going to notice a decrease in power and it will probally be downshifting going up most hills.n Still not enofe for me to spit out the money for a rear for just the 32's.

    Why so much lift for just 32's though?
    See you on the trail.....TREAD LIGHTLY!

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  5. #5
    Mercenary Grizzly's Avatar
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    Thanks for the advice guys. I appreiciate all the help I can get. Well I'm still new to this and I was told up to a 3-3.5" lift would be the right lift to clear 32's.

  6. #6
    Just a country boy. distortedtj's Avatar
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    Lift will be just fine for 32's. Can run 33's with 3.5''s lift easy is all.
    See you on the trail.....TREAD LIGHTLY!

    Wars may come and go but, my soldiers remain eternal.

  7. #7
    Junior Member KSJeep's Avatar
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    I'm running a 3.5" lift and 32s, it's a good combo, but will upsize to 33's when they wear out.
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    Newbie kegrill's Avatar
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    I have approx. 3.5 inches of lift (2.5 inch RE and 1 inch shackles) with 32s and after I get my SYE in and new drive shaft I will have to get new gears. I am lucky to get up to 55mph with my 4 cyl.

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    G.I. Grandpa SGM O's Avatar
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    If you are still running the OEM tires size they are 28", so going to 32" you will notice less acceleration and no power on long hills. I would change your spedometer gear so that it remains accurate and you have a way of measuring what the tire size does to your gas mileage.

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    Member JimhatTJ's Avatar
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    with that 4banger your going to want 4.56
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