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Old 03-25-2013, 10:46 AM   #1
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input on putting 37 or 35 in tires

I am installing a rk 2.5 max flex kit.... got the longer bump stops to run 37 if I want. my question is mines a stock rubicon as of now and has 4:10 gears...I know id be ok with the 35's with that gear ratio but if I went to a 37in would I be ok still? I know optimally id regear but I really don't wanna do that right now. would it cause any problems running a 37 til I regeared which would be 6 months to a yr down the road. not a big fan of goodyear any tire recommendations would be nice too.

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Old 03-25-2013, 12:03 PM   #2
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No brainer, go with 37's. In my opinion 35's look wimpy under the JK. especially if your lift is over 2.5". Look at a JK with 37's next to one with 35's and you'll see what I mean. Not hating on you guys with 35's just saying!

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Old 03-25-2013, 12:07 PM   #3
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PS,
I don't like the Goodyears either. I have 37x12.5x17 Pro Comp Extreme MT2's Love them
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Old 03-25-2013, 01:13 PM   #4
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PS,
I don't like the Goodyears either. I have 37x12.5x17 Pro Comp Extreme MT2's Love them
Goodyear MTR/K and Duratrac > Pro Comp anything.

I also disagree that 35’s are “whimpy” under the JK with anything over 2.5” lift. Smaller looking yes, but not “whimpy”. OP, what year Jeep do you got? If you got a 12-13 4.10’s are good for the 35’s and probably bearable with the 37’s. You may lose final drive, like OD if an auto or your last gear if a manual. Gas mileage may decrease as well with the 37’s. If you have a 07-11, then you would for sure need to re-gear for 37’s, and IMO 35’s too.

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Old 03-25-2013, 01:16 PM   #5
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As for other tires besides Goodyear, there’s a whole slew mostly personal preference. Cooper Discoverer STT, Nitto Trail Grappler, Toyo Open Country, BFG KM2 etc. There are also AT’s Like Falken Wildpeak and Nitto Terra Grappler. Depends on wheeling style and preference. There are also Cooper’s off brand, Hercules.

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Old 03-25-2013, 03:18 PM   #6
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35's look whimpy under a JK? Yeah and 37's look whimpy next to a JK with 40's. Enough already.
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Old 03-25-2013, 03:23 PM   #7
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35's look whimpy under a JK? Yeah and 37's look whimpy next to a JK with 40's. Enough already.
+1

What's the world coming to when 61 pounds of rubber is wimpy? LMAO
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Old 03-25-2013, 11:10 PM   #8
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cool....I did buy wheels and tires today.....got the falken wildpeak ats and 18 wheels I dunno what they are called out the door for 1550.....super happy pics coming soon....I went with 35's started looking and saw that maybe a 37 was too extreme for my jeep at this point. heard they are really hard on suspension and steering components. ps tires and wheels will be here by friday
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Old 03-26-2013, 08:44 AM   #9
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I'm running 35s on my 4.10 Rubi 6 speed. I would not be happy with it running 37s. With 35s I noticed a significant loss of power. Usually have to downshift going up more than a moderate hill at highway speeds. I can't imagine how much worse it would be trying to turn even more meat.

You would also definitely have to trim your rails and pinch seam. With 35s it is somewhat optional, with 37s they would have to go.

And personally, I think 35s look pretty good under a 2dr on a 2.5" lift. 37s would be a little too much for my taste.

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Old 03-26-2013, 12:22 PM   #10
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35's look whimpy under a JK? Yeah and 37's look whimpy next to a JK with 40's. Enough already.
Very true! As I said it's"my" opinion and I'm not hating on you guys with 35's so why "you"gotta hate

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