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Old 11-07-2015, 04:55 AM   #1
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What to do with worn tire?

Silly me didn't bother to get an alignment or rotation after I skidded into a curb last winter, and the tire that hit the curb (rear right) has very little tread left

Luckily this year I bought a set of winter tires and got the alignment done. But for next spring when I put my all seasons back on, where should I put the worn tire? It was on the rear right, should I bump it up to the front right as I would in a normal rotation? Or, put it on the rear left to keep the good/even tread tires on the front?

I also have a spare tire but it is a completely different brand/model and it has never been used so the treads are quite high compared to the other tires. Would it be a good idea to throw it into the mix or not?


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Old 11-07-2015, 09:00 AM   #2
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at a bare minimum, match the tread depth of the front tires. (if that means keep the worn one in the back, then so be it). you may get wierd handling at the limits with 1 really worn tire.

one option is to replace that tire with a used tire to match the size, similar tread, of the other 3 (doesnt have to be exact). or if the other 3 are realitvely new, you could get a new tire to replace it.
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Old 11-07-2015, 04:35 PM   #3
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at a bare minimum, match the tread depth of the front tires. (if that means keep the worn one in the back, then so be it). you may get wierd handling at the limits with 1 really worn tire.

one option is to replace that tire with a used tire to match the size, similar tread, of the other 3 (doesnt have to be exact). or if the other 3 are realitvely new, you could get a new tire to replace it.
I think I'll look around for a used tire, thanks!
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Old 11-07-2015, 06:09 PM   #4
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NEVER put the obvious worn ones on the front of a FWD car, the handling gets way worse there, the rear will simply pull out straight like a trailer and less effect back there. Keep it rolling in same direction too, radials can come apart when you roll them backwards after a time in one direction. Not to mention the huge increase in noise they then often make.
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Old 11-07-2015, 06:12 PM   #5
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Old 11-09-2015, 03:51 AM   #6
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NEVER put the obvious worn ones on the front of a FWD car, the handling gets way worse there, the rear will simply pull out straight like a trailer and less effect back there. Keep it rolling in same direction too, radials can come apart when you roll them backwards after a time in one direction. Not to mention the huge increase in noise they then often make.
Have anything to back that up about radials coming apart when you roll them backwards? Even the owner manual suggests switching the front tires ( left to right and vice versa) and putting them on the rear which makes them turn the other way.

Also on a side note, should my winter tires be the same PSI as my stock tires (205 50 16 34 psi)? Just wondering since they're different sizes. The winters are 195/60/15
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Old 11-09-2015, 08:29 AM   #7
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Quote:
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Also on a side note, should my winter tires be the same PSI as my stock tires (205 50 16 34 psi)? Just wondering since they're different sizes. The winters are 195/60/15
34 psi should be fine.
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Old 11-19-2015, 04:20 AM   #8
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Switch them directionally once they have a good amount of time and test the idea yourself, you'll most likely see REAL quick. I could care less what the tire or car makers say about it, since I live in the real world not their world. Some of those guys need to come out of their office for a bit. Nothing wrong with changing direction if the tires are still new. But then I never rotate anyway, simply no need at all.

Use your noggin, how do radials flex? They roll out in one direction, heat tire up repeatedly to set that flex pattern in place and then flip it. Like flat spots that happen and get cooked in when car sits a lot. They will roll back out fine if tire rubber is still supple but once you start cooking the VOCs out of the rubber they then lock that shape in place. Once the rubber gets hard enough running them backwards then creates sidewall cracking that then deflates tire. I run them in Texas heat, seen it plenty of times.

You can run short/tall tires against each other on back since no drive there, you'll wear the differential more if doing them on the front as the spider gears then start rolling against each other much more. Past a point though in wet or snow uneven tires can make traction flighty.
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Old 11-20-2015, 07:07 PM   #9
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If you ask a place like Tire Rack, They state the brand new tires, if only two, should ALWAYS go on the back (of a front wheel drive car)
The worn tires should stay on the front. At least until time for rotation.

If I had one tire to replace, I would buy two new tires and save the second most worn as a spare. In case the same thing happens again!
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Old 12-04-2015, 03:01 AM   #10
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https://www.youtube.com/watch?v=lvVf8UZJCrU

Note WHEN the tire explodes...................it's NOT under power, rather the guy let off and now the dyno rollers are balling the tire up to flex in the OPPOSITE direction from inertia after hard use going the other way. The strapping down hard of car adds to it greatly. That's the same stress as a change in direction does only much greater.

Anecdotal evidence at best but you should give that some thought......................com'on, keep telling me how you can change the running direction, I'm all ears..................
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