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35s and 4.11 vs 3.73

samd1351

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Another noob question. Looking at a Sport S. I do plan on 35s. So, do I need to order with the max tow for the 4.11s? Or is it more of a "You don't need 4.11s, but you'll wish you would have gotten them"?
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Tufelhundin

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Its 4.10's actually and in my honest opinion...yes (MaxTow) without a doubt. Better towing and hauling rating as well.

You can go to the gearing section of the forum and there are days worth of reading concerning this.


Some say they are fine with 3.73's. I hardly ever saw 7th gear with 35's and 3.73's, unless I was either going down hill or had a nice tail wind.

It also seems the max tow even get better mpg' stock....mine got 17mpg stock with 3.73's.
 

CerOf

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Iā€™ve never heard anyone regret having 4.10 and 35s.

I have heard/read of people regretting 3.73 and 35s.
 

DailyMoparGuy

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Get the Max Tow if youā€™re planning 35s. Better to have 4.10s from factory than the regret of not getting it. This also avoids the whole looking for good shops and crossing your fingers on their re-gear work quality.
 
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samd1351

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Max Tow and 4.10s it is then. Hopefully Daniel or Spencer can help me out getting that setup
 

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jjdustr340

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Hereā€™s something interesting about the gearing.....
My JT has 3.73 and 32.1 inch factory tire size (80A).
My wifeā€™s 2020 JLU came with factory 3.45 gearing, and drives and accelerates just fine.
Putting 35s on my JT would effectively make my gear ratio 3.42, so really it wouldnā€™t drive much differently than her JLU. Especially considering the GVW difference is only around 400 lbs.

I think if you have an automatic, the 8 speeds it is equipped with really helps minimize the impact of under-gearing.
Just my thoughts on it.
 

JTBurns

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I think you can get a lighter 35 and be fine. Also, maybe a pedal commander
 

Orange01z28

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I have zero issues with 3.73s and 35s

The 8 speed is an amazing transmission. The first two gears are deeper than the 6 speed auto Jeep used to put in

When I have to get new tires I will get 37s and I'm not going to regear then either unless my mileage really goes to shit
 

colindo

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35's with 3.73 gears and 2.5" lift

Drives fine but l lose 8th gear on highway at an incline or into a slight headwind. Doesn't affect drivability but hurts the MPGs. 4.10s would help, but if you plan on going further with armor, bumpers, etc you would likely need to go deeper than 4.10s anyway.
 
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samd1351

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I probably won't do a whole lot bumper / armour wise. Maybe some.

I can't wait to start modding. I've just about got the Mustang where I want it, so this will give me something else to play with.
 

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jjdustr340

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I also highly suggest some type of programmer, such as Jscan or Tazer any time you switch tire sizes.
On my JKU, when I went to 35s, it would rarely go to 6th, and generally drove like crap. After inputting the MEASURED tire size with Jscan, it drove great. Itā€™s amazing how much difference it makes in shift points when the computer knows your actual tire size.
 

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Amazing 35s working on 4.11. Still chirping at the red light last night. Get the Max Tow forall it's benefits otherwise you will want to regear anyway, before the have the locket you want and can afford. With 4.11 you don't have to rush the regear.

The Max Tow is one of the most affordable well equipped packages Jeep has offered in many years. Benefits in every bullet point. Cooling, 8 Spd Tran, Alternator, 4.11, Wide track, Dual Gen3 Dana M210 and M220 44s.
 

piroman683

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initially I had the 35's with 3.73 (and manual trans) and it was fine, but not good enough for the desert shit I was hitting so I upgraded to 4.56 and love it. Now based on the OP I also agree max tow is where it is at.
 

Tufelhundin

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4.10 are better but 4.58 or 4.88 is best.

Agreed, for I love my 4.56 and truly believe they should have all came off the lot with that gearing. But...I guess thats for another thread. LOL!


But to be honest, If I would have gotten the Max Tow that I went to the dealer to purchase the day I bought my JT, I think Id still be running the 4.10's.
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