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Old 05-17-2009, 03:19 PM   #1
02WRX06STI
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Default Tire width

OK i am terrible with the search button so i am never able to find what i am lookin for. But i was wondering what the widest tire you can get on the STi rim is??
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Old 05-17-2009, 03:27 PM   #2
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A 2006 STI rim I take it? How wide are those? 8 inches? You could easily run a 245/35 tire. Hell, I'd bet a 255 would technically fit, but is probably not the best solution.

A 245 on an 8inch wide rim will be very flush with the edge of the rim. Personally, I'd run a 235 and have a little bit of stretch (not much though).
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Old 05-17-2009, 05:05 PM   #3
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Ummm, a 245mm is NOT flush on a 8" rim lol.

8" = ~203mm
9" = ~228mm
10" = ~254mm

OP, why do you want the widest tires you can fit? I'm assuming it's for looks considering better performance can be had with a properly fit tire and a better compound. More contact area DOES NOT always mean more performance.

Either way, I wouldn't go bigger than 225. I'm not saying you can't go bigger, I'm just saying that I wouldn't.
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Old 05-17-2009, 05:29 PM   #4
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Robert, I have a set of 8" wide wheels sitting in may garage with 245's on them and they look fine.

245 is only the theoretical width. You and I both know a 245 from one company might be a 235 from another company. It's a measurement standard, but there is a lot of wiggle room. Lots of tires fit differently.

Robert is correct in saying wider isn't always better. Sometimes stretching a tire a bit on the rim will allow it to have less sidewall flex/rollover.

IBBackwhenIhadtehdorifto240zwith300hpIusedtorun18x 15with225bitches.

I think my roommate runs 195's on an 8" wide wheel on his AE86 drift car.

Last edited by kpluiten; 05-17-2009 at 05:35 PM.
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Old 05-17-2009, 08:10 PM   #5
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Quote:
Originally Posted by kpluiten View Post
245 is only the theoretical width. You and I both know a 245 from one company might be a 235 from another company. It's a measurement standard, but there is a lot of wiggle room. Lots of tires fit differently.
This is true... I forget tires are like shoes. Every brand measures differently. The 245's I had on my 9" were waaay to bulgy(if that's a word).
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Old 05-17-2009, 09:30 PM   #6
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you can run up to 255s on 7.5" wheels but wider is not better. what do you want wider tires? i run 255s for the track but they arent great for daily driving. id do 235s for something that is street driven
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Old 05-18-2009, 03:20 AM   #7
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The 225 bish tires on my wheels arent even stretched. 245s would seem to be a bit wide but iono. I know bObby normally ran 235s on his 8" wide wheels, and now stretches them onto his 9's
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Old 05-18-2009, 03:33 AM   #8
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Evil_Sti has 255/40/17 on his stock BBS's. They look legit as hell.

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Old 05-18-2009, 04:01 AM   #9
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in comes teh secret asian man
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Old 05-18-2009, 04:59 AM   #10
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The auto-x guys I know are running 245/40 - 265/35 on 9" rims. And 235 - 245 on 8". I prefer 245/40 for auto-x on my bbs. I have thought about 255 but I think turn in would be compromised more than the extra grip to be gained.
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Old 05-18-2009, 03:49 PM   #11
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most of it is for looks, i dont like the look of a tire that is stretched at all, i want it to be more flush wiht the rim or a lil "bulgy" as GC? said... so i guess i think i am gonna just go one step bigger and see how i like them..

thanks for all the info guys.....
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Old 05-18-2009, 04:51 PM   #12
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if i go with a 235 or 245 should i go down to a 40 or stay with a 45?
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Old 05-18-2009, 10:37 PM   #13
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I am running 255/35/18's right now... One of the best choices I have made for my STi. They grip very nicely.
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Old 05-19-2009, 02:48 PM   #14
02WRX06STI
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Quote:
Originally Posted by lolawd View Post
I am running 255/35/18's right now... One of the best choices I have made for my STi. They grip very nicely.
ya but i am askin about on the stock 06 STi 17's
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Old 05-19-2009, 06:36 PM   #15
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Quote:
Originally Posted by bObby View Post
Evil_Sti has 255/40/17 on his stock BBS's. They look legit as hell.

Bobby do you know what kind of supension he has?coils/springs/rear camber plates ect.
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Old 05-19-2009, 06:40 PM   #16
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Yup, he is on BC Racing coilovers. From the picture, it seems to be a pretty basic setup. I know he had to get crazy when he did the 18x9 +30 wheels but that's a whole different level.
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