Quote:
Originally Posted by 4X4
To understand why this isn't a big deal, you must understand tire sizes. The 235 number is your tread width in mm. The 75 number is your sidewall height as a percentage of your tread width (stupid, I know). Then the 15 is just the rim size. So what you're asking is whether you can change from a 235 back to the original size of 225. The answer is certainly yes, assuming you're on your original rims. Rims can accomodate a pretty broad selection of tire sizes, so I wouldn't worry about them, unless they're some kind of super fancy rims that demand a tire width of 235.
The only caution I would have as far as this question goes, would be if you were going the other way. If you wanted to go with 235s instead of the original 225s, I would point out that you may not have the necessary clearance in the front wheel wells for turning and your shocks. Someone has already decided to find out whether bigger tires fit on your Jeep, and that's why you have 235s.
Sorry for the long answer, just go ahead and switch back to 225s if they're easier or cheaper, or stick with 235s if you want. Both will work, and neither have an advantage (well, one is 1 cm wider).
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Thanks a lot, this helped a lot. I just checked the manual and it basically said don't go below 215s, but had psi specifications for both 225s and 235s, so I guess that means that it's pretty variable what you can use on the Jeep. I'm going to go with the 225s for my winters I'm thinking. Ordering them tomorrow.