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Old 12-11-2010, 11:41 PM   #1
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tire question

so i had 265/35 18's before however i just bought some 275/40 20's but they rub everywhere lol any suggestions on what i can do to make them work they are the ones in my profile pic thanks...
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Old 12-13-2010, 08:40 AM   #2
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Re: tire question

the sidewall is wrong very very wrong lol thats far to much compared to stock.

Keep in mind the middle number on a tire is NOT fixed, its a percentage of the width. As the rim gets bigger the sidewall height has to come down to compensate. That along with the rims backspacing/width effect the turn radius and rubbing.

265/35/18 sidewall height is 92.75mm

275/40/20 sidewall height is 110.0mm

BUT you added 2 more inches of rim (1 top 1 bottom) so the sidewall is a solid 1 inch to tall for that rim.

something in these are whats specified for your vehicle (nothing wider than a 255 but you could get a 265/30/20 and it would work ok)
225/35-20
245/30-20
255/30-20
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Old 12-13-2010, 04:30 PM   #3
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Re: tire question

If its rubbing on the outer lip you can always roll ur fenders...i dont really know what to tell u if its rubbing on the inside
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Old 12-14-2010, 08:00 AM   #4
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Re: tire question

Quote:
Originally Posted by SpectorV View Post
the sidewall is wrong very very wrong lol thats far to much compared to stock.

Keep in mind the middle number on a tire is NOT fixed, its a percentage of the width. As the rim gets bigger the sidewall height has to come down to compensate. That along with the rims backspacing/width effect the turn radius and rubbing.

265/35/18 sidewall height is 92.75mm

275/40/20 sidewall height is 110.0mm

BUT you added 2 more inches of rim (1 top 1 bottom) so the sidewall is a solid 1 inch to tall for that rim.

something in these are whats specified for your vehicle (nothing wider than a 255 but you could get a 265/30/20 and it would work ok)
225/35-20
245/30-20
255/30-20
YHEAA! What he ^ said! Made my head hurt when I picked out mine and it still hurts it. It can be confusing at first. That's a perfect explanation though up there ^
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Old 12-14-2010, 09:23 AM   #5
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Re: tire question

if they would change the middle number to a fixed size then you would know your car requires X size... it would solve many problems lol
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