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I've got a pair of 39.5x13.5r15 and a pair of 39.5x13.5r17. I want to run the 17s up front to clear the disk brake calipers and 15s in the rear. It shouldn't be a problem right? Since the outer diameter is still the same? I don't want to have to drop another $800 on new tires if I don't have to.
No problem if it's a 2wd, might be if it's a 4x4. on a 4x4 the diameter better be real close just in the ball park isn't good enough.
Their circumference is the same and both are 511 revs/mile so they will literally be the exact same on the outside. It's just a smaller rim thus giving that set more sidewall.
Maybe, maybe not. sometimes bargain brand tires are visibly smaller than first quality tires in the same size so in different and brands and sizes anything is possible .
If you put them side by side and the difference isn't noticeable you're probably fine.
Guys have been running staggered tires probably as long as cars have been around. Think of how many Camaro's and Firebird's you've seen with tiny tires up front, fat meats in the rear. But running in 4wd changes everything. So I really have no information of value here. Nothing new..
If he's buying new tires from the same brand there's nothing to worry about.
440, you're right but I'm assuming he's buying the same brand and brand new... not a craigslist special lol
OP, if you're not, you need to measure the current actually dimensions of the tires. If they are the same then run em, if not... how far apart are they?
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