255/75/17 or 265/70/17 on stock sport wheels (steel).

AZ Hella

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Sorry in advance if it’s been posted before I have searched the forum with no luck.
Not looking to go big just looking for a good all terrain. I’m installing a JLUR takeoff suspension and want to stick with my steel wheels. Budget build that will see lots of off road miles.
Thanks
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Just concerned about rubbing with the stock wheel.
You won't rub with 285/70/17
This is the size of stock Rubicon tires.
Many people put rubicon take off wheels/tires on their sport/sahara without any issues.

You will need to re-calibrate with a programmer for the bigger tire size however.
 
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AZ Hella

AZ Hella

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You won't rub with 285/70/17
This is the size of stock Rubicon tires.
Many people put rubicon take off wheels/tires on their sport/sahara without any issues.

You will need to re-calibrate with a programmer for the bigger tire size however.
Are the rubicon wheels the same backspacing?
I appreciate your input.
 

cb4017

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Sorry in advance if it’s been posted before I have searched the forum with no luck.
Not looking to go big just looking for a good all terrain. I’m installing a JLUR takeoff suspension and want to stick with my steel wheels. Budget build that will see lots of off road miles.
Thanks
This was my thinking. I did not want to effect my overall gear ratio and drive-ability too much by going to oversize tires. Especially since I haul a small travel trailer at times. I settled on 255/75-17. They are a touch bigger than the stock tire, running just over 32", but not so big as to need the computer set for a larger tire.

I put on a Rubicon suspension that gave me 1.25" lift in the front and 2" in the rear then bought Falken MT01 LT255/75-17 tires. I'm very satisfied by how my Jeep turned out and for what I do it's perfect.

20191101_150330 (Medium).jpg


20191101_153932cropped (Medium).jpg
 
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AZ Hella

AZ Hella

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This was my thinking. I did not want to effect my overall gear ratio and drive-ability too much by going to oversize tires. Especially since I haul a small travel trailer at times. I settled on 255/75-17. They are a touch bigger than the stock tire, running just over 32", but not so big as to need the computer set for a larger tire.

I put on a Rubicon suspension that gave me 1.25" lift in the front and 2" in the rear then bought Falken MT01 LT255/75-17 tires. I'm very satisfied by how my Jeep turned out and for what I do it's perfect.

20191101_150330 (Medium).jpg


20191101_153932cropped (Medium).jpg
I also have a rubicon suspension waiting to go on
This was my thinking. I did not want to effect my overall gear ratio and drive-ability too much by going to oversize tires. Especially since I haul a small travel trailer at times. I settled on 255/75-17. They are a touch bigger than the stock tire, running just over 32", but not so big as to need the computer set for a larger tire.

I put on a Rubicon suspension that gave me 1.25" lift in the front and 2" in the rear then bought Falken MT01 LT255/75-17 tires. I'm very satisfied by how my Jeep turned out and for what I do it's perfect.

20191101_150330 (Medium).jpg


20191101_153932cropped (Medium).jpg
your Jeep looks good on the 255’s. I was leaning towards 265’s but now I’m not so sure.
 

erickdiaz019

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This was my thinking. I did not want to effect my overall gear ratio and drive-ability too much by going to oversize tires. Especially since I haul a small travel trailer at times. I settled on 255/75-17. They are a touch bigger than the stock tire, running just over 32", but not so big as to need the computer set for a larger tire.

I put on a Rubicon suspension that gave me 1.25" lift in the front and 2" in the rear then bought Falken MT01 LT255/75-17 tires. I'm very satisfied by how my Jeep turned out and for what I do it's perfect.

20191101_150330 (Medium).jpg


20191101_153932cropped (Medium).jpg
How off was your speedometer? And what was your new MPG?
 

cb4017

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How off was your speedometer? And what was your new MPG?
Evidently Jeep didn't have mine dialed in perfectly from the factory. The speedometer always read about 1 mph high with the stock tires. After installing the 255/75 tires it was right on.

This was comparing the speedo to a stand alone GPS.
 

01tj

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Evidently Jeep didn't have mine dialed in perfectly from the factory. The speedometer always read about 1 mph high with the stock tires. After installing the 255/75 tires it was right on.

This was comparing the speedo to a stand alone GPS.
OI went with 255/75's also and mine was either set up a little optimistic from the factory or it didn't change. My MPG's didn't drop much either but from past experince the wider tires seem to hurt MPG's more.
 

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Evidently Jeep didn't have mine dialed in perfectly from the factory. The speedometer always read about 1 mph high with the stock tires. After installing the 255/75 tires it was right on.

This was comparing the speedo to a stand alone GPS.
My Sport S has always said I’m going 1 mph faster than I actually am with the stock 245/75 r17. When I hooked up my Tazer the tire size in the program was set up for 255/75 r17. I’m guessing that’s because of the Willys and only wanting 1 set of programming for all sport models. 255/75 r17 is the stock size for the Willys.

If you want to stick with 32” but want a little more width a 275/70 r17 is 32.2”.
 
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