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Old 11-15-2008, 11:14 AM   #1
073/800
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Default tire sizes.

I'm having a hard time searching for the answer to my stupid question.

I have an 07 sti limited that came stock with 225/45-17.

Can I fit 235/45-17 on my stock rims without any fitment issures? Will it rub at all?

thank you in advance. yes I am a noob.
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Old 11-15-2008, 11:20 AM   #2
notjustforshow
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I believe 235/45/17 is the stock tire size for that year in Japan, so yes it will fit, and many will say that a) makes the speedometer more accurate b) more friendly to the gearing.

In terms of size difference, you won't be able to visually notice any
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Old 11-15-2008, 11:28 AM   #3
073/800
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thanks.
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Old 11-15-2008, 01:11 PM   #4
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a 245/40 will also fit and some put 255/40s on as well
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Old 11-15-2008, 01:40 PM   #5
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If your tire size is 225/45-17:

235/45-27 your speedometer is off by 1.5%, meaning if your speedometer reads 60mph you are really going 60.9mph
245/45-17 your speedometer is off by 2.8%, meaning if your speedometer reads 60mph you are really going 61.7mph
245/40-17 your seedometer is off by .3%, meaning if your speedometer reads 60 mph you are really going 60.2mph

The thing that I think about when pricing this is how available are these tire sizes. The less available a tire is the more expensive that size tends to be. 235/45-17 is a very common size and tires can befound for less than $100/tire.

Good luck
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Old 11-15-2008, 02:42 PM   #6
073/800
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Quote:
Originally Posted by Louie View Post
If your tire size is 225/45-17:

235/45-27 your speedometer is off by 1.5%, meaning if your speedometer reads 60mph you are really going 60.9mph
245/45-17 your speedometer is off by 2.8%, meaning if your speedometer reads 60mph you are really going 61.7mph
245/40-17 your seedometer is off by .3%, meaning if your speedometer reads 60 mph you are really going 60.2mph

The thing that I think about when pricing this is how available are these tire sizes. The less available a tire is the more expensive that size tends to be. 235/45-17 is a very common size and tires can befound for less than $100/tire.

Good luck


Thanks...this is good info. I just got a set of brand new goodyear F1 all seasons for free. Figured they would be a decent winter tire for this area. I appreciate the help.
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Old 11-16-2008, 10:52 AM   #7
Louie
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Yeah they should be, just dont have too much confidence if it starts to snow. They are not a self cleaning design for snow. They might pack with snow a bit.
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Old 11-16-2008, 01:08 PM   #8
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Quote:
Originally Posted by 073/800 View Post
Thanks...this is good info. I just got a set of brand new goodyear F1 all seasons for free. Figured they would be a decent winter tire for this area. I appreciate the help.
The F1 A/S is decent in the snow, just as long as you take it easy and don't drive like an asshat. They got me up to the mountains a couple times last year without a problem, but I'm going with a dedicated winter tire this year. How'd you score them for free?????
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Old 11-16-2008, 08:57 PM   #9
073/800
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Quote:
Originally Posted by DrnknZag View Post
The F1 A/S is decent in the snow, just as long as you take it easy and don't drive like an asshat. They got me up to the mountains a couple times last year without a problem, but I'm going with a dedicated winter tire this year. How'd you score them for free?????

I work at a BMW dealership. Some customer was going to put them on his car, but decided on some summer tires. He said we could have the tires. I wish I had that kind of money.
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