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Old 07-12-2005, 10:22 PM   #1
Godfather Inc 03
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Default Help: Why Would It Rub?

225/45/18 on a 05 wrx....suggestions on fixing or new tire sizes? the back 2 wheels rub against the inside of the fender when going on tight turns or large bumps on free ways????help some one please.
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Old 07-12-2005, 10:39 PM   #2
Uncle Scotty
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..get the right offset wheels.
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Old 07-12-2005, 11:40 PM   #3
Godfather Inc 03
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is that def the problem? someone had told me the tire was to wide and tall for the car?
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Old 07-12-2005, 11:44 PM   #4
Godfather Inc 03
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also....i told the vendor what car it was for and he ensured me it was the right offset...
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Old 07-13-2005, 12:22 AM   #5
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Soooo...what is the offset? And which tire is it? More information is usually better than less

And to break it to you gently, not all vendors know, or care, what they're talking about...

Last edited by GravelRash; 07-13-2005 at 02:11 AM.
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Old 07-13-2005, 12:25 AM   #6
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that is a huge tire....
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Old 07-13-2005, 02:17 AM   #7
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Compared to a 225/45x17 - quite common for WRXs, and very close to original circumference - a 225/45x18 will be ~1" larger in dia. Which could qualify as huge...
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Old 07-13-2005, 03:07 AM   #8
Godfather Inc 03
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so then most likely it is the tire? the tire rubs on the outside edge...it looks really low in the back and teh top of the tire is under the wheel well and when i turn fast or go over bumps fast it rubs..
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Old 07-13-2005, 03:20 AM   #9
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....ok....so(way) too big a tire, likely the wrong offset and, very likely, it sounds like it's slammed......
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Old 07-13-2005, 06:16 AM   #10
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Definitely should have a lower profile ratio with the 18's.
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Old 07-13-2005, 08:40 AM   #11
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Stock WRX is 205/55-16, which is about a 24.9" diameter.

Your 225/45-18s offers a 26.0" diameter, which as GravelRash mentioned is about 1.1" taller than stock.

Usual tire size for 18's on a WRX is 225/40-18 - diameter is 25.1"

Also make sure you have the proper offset for your wheels.

Check out tire calculator and the Tire & Wheel stickies.
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Old 07-13-2005, 12:05 PM   #12
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doesn't the 05 sti have a "rolled fendor" stock? I know it's not a rolled fendor, but the rear flare has a little extra room. If it's rubbing, it must be a HUGE tire...
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Old 07-13-2005, 01:23 PM   #13
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Get the right size tires, make sure the offset is correct (don't trust the vendor necessarily), get an alignment, unslam your car.
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Old 07-13-2005, 01:26 PM   #14
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slammed? and how do i make sure its the right offset? i dont mind selling just the tires but its going to be a hassel if i have to get rid of the rims also..thanks for your help so far but i dont know what to do yet
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Old 07-13-2005, 01:33 PM   #15
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The offset may be on the wheel itself (stamped or sticker), or on the box it came in. What rims are they?
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Old 07-13-2005, 01:43 PM   #16
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Quote:
Originally Posted by mbiker97
Get the right size tires, make sure the offset is correct (don't trust the vendor necessarily), get an alignment, unslam your car.

How do we know his car is slammed? I don't see any suspension discussion. It just sounds to me like he has huges tires. If they are only rubbing under load, then perhaps the lower profile tires will remedy the situation.

As far as the car owner:
I suggest you pull the wheel off to find out the offset, so we could have real numbers to use instead of us just making assumptions.

Details like
wheel size including width, offset, any suspension mods.
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Old 07-13-2005, 02:07 PM   #17
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alrite guys ill post some numbers when i get off work.....they are konig imagines...and i have no suspention...the vendor was a friend of a friend who actually works for subaru so i dont know but thats ****ed up if he ****ed me over like that....thanks for you help
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Old 07-13-2005, 02:36 PM   #18
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According to this site, if you have 18x7.5", you likely have a 45 offset...or a 35 offset.

Going off your last post I think the problem is just the tires...unless you have +35 offset wheels too. Hope all goes well~
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Old 07-13-2005, 04:54 PM   #19
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i wanted to reduce the roll in the turns and was thinking about going 225/18/40 . does this mean i cannot lower it at all?
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Old 07-13-2005, 05:01 PM   #20
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You can lower on 225/40/18 and not rub, you just need the right offset wheel. I ran Prodrive P1 (18.7.5 +53) on my lowered wagon with that size tire and there was no rub.
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Old 07-13-2005, 05:31 PM   #21
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thanks. how many inches was it lowered, or does it matter?
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Old 07-13-2005, 05:34 PM   #22
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It was lowered on Prodrive springs
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Old 07-13-2005, 05:34 PM   #23
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....bet they are the +35's....
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Old 07-13-2005, 05:45 PM   #24
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so then for sure its the tires and i should sell them and get 225/40/18 instead?
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Old 07-13-2005, 05:49 PM   #25
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Quote:
Originally Posted by Godfather Inc 03
so then for sure its the tires and i should sell them and get 225/40/18 instead?
Well, it could be the wheels as well, but those tires definitely need to go in favor of 225/40/18. Mind you, I would check the wheel specs as well, as if you need to get rid of them, I would really advise going with 17" wheels.
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