?

[monkeyman]

37’s with 410 gears?..opines, please..Not gonna do any rough off road stuff, but would like to know any real mileage knock down or loss of gears..Thanks, group..

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[toddarama]

My JTR has 4.10s, the 3.6 gasser and an automatic. I've been running Mickey Thompson Baja Boss A/T 37s for just over 4k miles now and KMC Trail 17x9 wheels. I didn't keep precise records, but probably lost ~2mpg in combined driving. I don't see 8th gear that often - only on the highway when it's flat or downhill.

I'd say its a completely driveable combination, but I am also saving up some money to regear to 5.13 at some point. I do miss some of the low end grunt when towing and fully loaded up.

 

[HooliganActual]

My JTR has 4.10s, the 3.6 gasser and an automatic. I've been running Mickey Thompson Baja Boss A/T 37s for just over 4k miles now and KMC Trail 17x9 wheels. I didn't keep precise records, but probably lost ~2mpg in combined driving. I don't see 8th gear that often - only on the highway when it's flat or downhill.

I'd say its a completely driveable combination, but I am also saving up some money to regear to 5.13 at some point. I do miss some of the low end grunt when towing and fully loaded up.

Exactly the same experience with 37” Toyo R/T’s, 4.10, AT and an overweight Rubicon. I’ll see 15mpg on the long drives.

 

[Lunentucker]

Which 37's matters greatly.
37 inch tire specs

 

[LCF]

Same…but I shift into 8th manually or just get up to speed and simply let off skinny pedal and it shifts into 8th….sometimes lol

 

[monkeyman]

Exactly the same experience with 37” Toyo R/T’s, 4.10, AT and an overweight Rubicon. I’ll see 15mpg on the long drives.

Presently, 35” Wildpeak, .410’s and average 16mpg without losing 8th..most of the time..

 

[steve68]

37" 4:10's Rubicon, Forgeline wheels and Nittos, 80-85mph on the highway 15-16 mpg, slower seeing 17-19mpg I want to regear to 4:88's,

returned to stock for a dealer service visit, shift points changed, mileage went back up, big problem here in FL, overpasses convertor locks up, downshifts and takes miles to unlock and rpm's drop back down,

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