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32" Tires

13K views 18 replies 11 participants last post by  SlamBang6  
#1 · (Edited)
Hey folks. Just wanting to post this here as an option for owners who are hesitant to jump to a 33 right away.

My goal for next year is to upgrade to a full suspension lift, but the factory rake kept bugging me so I picked up a leveling kit from Z1 Offroad in the meanwhile. On a whim, I started searching for lightly used tires off of FB Market and scored a great deal on a set of five take-offs from a local Jeep gal.

These are 255/75/R17s and they amount to a 32.1-inch tire. This is apparently the factory size off of the Willy's edition Wranglers and Gladiators, and a lot of owners upgrade to a larger size almost immediately, so there are usually tons of these being sold on FB. The set I bought only had 100 miles on them and were so new they still had the rubber whiskers on the outside.

Considering the popular 285/70/R17 comes out to roughly 32.8 inches, these aren't all that far off. You do lose some width though, so you'll have to be a fan of the skinny look. I'll jump to a 80-ratio tire in a year or two to get a true 33, but these will be fine for now.

No rubbing, but my madflaps were the first things to go when I got the truck. I'll also add wheel spacers soon to widen the stance a bit, but here you are in the meanwhile.

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#2 ·
I've ran the same size tires for years. Previously on a 5th gen 4Runner and currently on my Frontier. As you note, this is the stock tire size on many wranglers which really helps us out since they are available as c-rated, so much lighter than e-rated alternatives. Jeep has also helped us out with 285/70 17s, which are now available in c-rated options too. But as you note, the 255/75 tire size is just slightly larger than stock while not being too much heavier.
Thing to note, if you do move to 255/80, all of those options are e-rated i believe. You'll gain ~7-10lbs PER TIRE from the current size you are running. That's quite significant when you consider the 255/75s are already about that much over the stock tires.
 
#6 ·
Your truck looks great. A favor though. Would you take a picture of the front tires looking rearward? I am trying to gauge the stance from the front. I am becoming more and more interested in these pizza cutters!
 
#18 ·
You do feel a difference in comfort. I run these at 40 psi, and the sidewalls are much stiffer than the factory Hankooks, so when you're going over bumps and stuff, it's quite apparent.

To be honest I haven't seen a huge difference in fuel economy though. But I've always been easy on the throttle and I drive like a granny anyway. I just set the cruise to the speed limit and camp out in the right lane.
 
#16 ·
you can get way out there playing the tire weight game.

As you note, the E-rated 255/80 17s are heavy, 58#. The 255/75 17 c-rated version of that tire (which i had on a 4Runner) are supposed to weigh 55# according to Cooper.

For reference, the Ko2s i have (255/75 17) weigh 46# apiece. Thats 12# less on each corner to move, or about 21% less unsprung, rotating mass.
The c-rated Ko2 255/75 and 265/70 weigh essentially the same. I put my one of my current tires next to my spare tire (new, 265/75 16) the other day, the are essentially the same size. Ko2 is just a tad larger. If the tires were not next to eachother, i don't think you'd be able to notice