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Old 06-18-2011, 01:46 AM   #1
iyzmi
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Default Flat tire question

I caught a nail in my front right tire and it left a pretty decent size hole in the tread. My tires are at the end of their life and the ironic part was I was planning on ordering new tires that night. Anyways, I'm curious what the best way for me to drive to the shop to get my new tires installed would be. The shop is about half a mile away from my house and I could make most of the trip going <25mph. So I'm wondering what the best option would be:
1. Try to seal the hole with some epoxy or a nail covered in epoxy and drive slow to the shop.
2. Use the spare tire. The only reason I'm a little worried about this is that my wheels are all 225/45/17 so the spare would be a slightly different size then the other wheels and my diff wouldn't like this. My spare is intended for 16" wheels and although I know the overall diameter of the wheel is about the same, I'm still a bit worried. I'm guessing that at slow speeds, for a short distance it wouldn't hurt too much, would it? Should I throw the spare on the back and put a full size wheel on the front?

Getting the new tires installed on Tuesday.
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Old 06-18-2011, 02:41 AM   #2
khail19
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Use the spare. A half mile is nothing to worry about on the spare and won't affect the diff at all.
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Old 06-18-2011, 02:27 PM   #3
iyzmi
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Does it matter if I throw it on the front or the back?
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Old 06-18-2011, 02:37 PM   #4
littlewhitewagon
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Put the spare in the front where you likely have an open diff. But for 1/2 a mile, it doesn't matter.
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Old 06-18-2011, 07:10 PM   #5
Patrick Olsen
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Use the spare. Follow the Owner's Manual guidance for use of the spare.

Quote:
Originally Posted by iyzmi View Post
2. Use the spare tire. The only reason I'm a little worried about this is that my wheels are all 225/45/17 so the spare would be a slightly different size then the other wheels and my diff wouldn't like this. My spare is intended for 16" wheels and although I know the overall diameter of the wheel is about the same, I'm still a bit worried.
I'm confused what there is to be a bit worried about, since you already know that the overall diameter of your 225/45-17s is almost exactly the same as the stock tires.
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Old 06-18-2011, 11:13 PM   #6
iyzmi
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Because it is similar, but not the exact same.
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Old 06-19-2011, 03:48 PM   #7
Patrick Olsen
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It's not even a 0.4% difference, and that's assuming the 225/45-17s were new. You said they're due for replacement, which means your used 225/45-17 actually have a smaller diameter than new stock tires. So you'll actually be putting less stress on the differentials now than you would on new stock tires.
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