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Old 05-12-2014, 07:50 AM   #1
zpedalkin
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OMGHi2U 18x9+45 inner clearance with 255/35 tire

Hi All,
Hoping someone that have run a similar (ideally the same) setup in the past can help.

I'm trying to determine whether I'll have any inner clearance issues with the strut when running the following wheel/tire combo: 18x9+45 255/35R18

My guards are rolled and running Tein Superstreet coilovers. The car is a (AUDM) GDB STI.

I'm looking at getting a set of Potenza RE-11s or Direzza ZIIs in the above size. I've heard Direzzas are a bit on the larger side compared to other tires of the same size. I would have gone a 245 to be safe, however neither of these come in a 245/35 (at least this size is not available through Tirerack).
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Old 05-12-2014, 11:08 AM   #2
WRX8XB
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with the GD STI the clearances are going to be close inboard.

I normally suggest going to a +40mm offset. Are you against a small spacer if need be?

Do you have camber plates up top?

-T3h_Clap
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Old 05-12-2014, 11:16 AM   #3
vicious_fishes
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a 255 (even a large one) will fit just fine on a 9.
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Old 05-13-2014, 06:31 AM   #4
zpedalkin
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Thanks for the responses.

Yep, a lower offset would've been easier to fit, but alas I already have the wheel and it's +45

Have camber plates at the front, but I've got my left and right struts swapped around and I'm using the plates to get more castor.

On the rears just have Whiteline camber bolts.

Yes, ideally would prefer to avoid the spacer. I guess if I already bought the tyres and there was no physical way they would fit, I may be OK with a 3mm spacer - but only if I was stuck and couldn't prevent that.

I'll put the rim onto the car and take a pic of how much room there is there.
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Old 05-18-2014, 04:59 AM   #5
zpedalkin
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Did a first test fit of the rim today.

Never mind the 255 tyre, the rim itself doesn't fit without a spacer. FML

Here's a pic:

Tein SS strut obviously on the left, rim on the right





Here's how my set of 17x9 +42 Mach V Awesomes sit with 245/40/17:



So, if I put on a 3mm spacer, the 18x9 +45 I'm trying to install would effectively fit the same as my Awesomes.

Looking at the pic above, will a 255 tyre fit OK in there?
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Old 05-18-2014, 08:31 AM   #6
sc00by4life
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i would get camber plates instead of getting so much negative camber from the bolts/natural camber.

that will fix all of your problems.
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Old 05-18-2014, 09:34 AM   #7
zpedalkin
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Could you clarify what the rear camber plates will do to fix the problem? Would be a hassle trying to get a plate to fit with the Tein SS, so would rather avoid this option if I could.

I thought the 3mm spacer is reasonably harmless and would be an easy fix.
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Old 05-18-2014, 10:53 AM   #8
vicious_fishes
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Quote:
Originally Posted by zpedalkin View Post
Could you clarify what the rear camber plates will do to fix the problem? Would be a hassle trying to get a plate to fit with the Tein SS, so would rather avoid this option if I could.

I thought the 3mm spacer is reasonably harmless and would be an easy fix.
leans the strut in and gives you more clearance.
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Old 05-22-2014, 11:13 PM   #9
zpedalkin
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Did a quick test fit with a 3mm spacer.

Kinda hard to capture the amount of room there is on a picture, but it's really not a lot.. maybe a mil.





Think I might just bite the bullet and get the 255s (Michelin Pilot Super Sports) and look for a way to fit them once I have them mounted on the rim.

The issue with camber plates is that I'm not sure which ones will work with Tein Super Streets. If I can't go this route and the 3 mil spacer doesn't end up giving me enough room, I guess I can always go 5 mil.
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Old 05-23-2014, 12:43 AM   #10
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if you want clearance you NEED THE CAMBER PLATES. a 255 with NOT clear that close.

are you reading these posts at all???
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Old 05-23-2014, 04:31 PM   #11
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Quote:
Originally Posted by sc00by4life View Post
if you want clearance you NEED THE CAMBER PLATES. a 255 with NOT clear that close.

are you reading these posts at all???
hmm dunno about that. i vote spacer with 255 and if it doesn't fit, then buy the camber plates. $cheaper.
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Old 05-26-2014, 06:04 AM   #12
zpedalkin
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Can anyone confirm the camber plates they were able to use in the rear with Tein Super Streets?

From what I'm gathering, most /should/ work (e.g. Cusco, Group N) but would be nice if there was someone out there that actually tried this and could confirm for certain.
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Old 05-26-2014, 06:06 AM   #13
vicious_fishes
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Quote:
Originally Posted by zpedalkin View Post
Can anyone confirm the camber plates they were able to use in the rear with Tein Super Streets?

From what I'm gathering, most /should/ work (e.g. Cusco, Group N) but would be nice if there was someone out there that actually tried this and could confirm for certain.
you'll be able to work it out if you find out what size ID your spring is.
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Old 05-26-2014, 09:41 AM   #14
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Quote:
Originally Posted by vicious_fishes View Post
you'll be able to work it out if you find out what size ID your spring is.
Google hasn't turned up an answer to this; I've emailed a Tein distributor, will see if they have this info.

I haven't noticed camber plates product pages specifying the size of the spring they will work though. E.g. For these Cusco ones it just says "NOTE: WILL NOT FIT OEM STYLE BIG SPRING SETUP"

http://www.rallysportdirect.com/Cusc...-STI-2002-2007
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Old 08-31-2014, 07:14 AM   #15
zpedalkin
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OK, many dollars later, I've finally been able to get hold of some camber plates and make them fit with my Teins.

Here's how the rim sits now (no spacer):



That pic makes the clearance look a little exaggerated, here's a finger stuck in there for a little more perspective:



That's roughly around 5 mil of clearance.

Here's how a different rim sits now in relation to the strut with 245s mounted. It's also 9" wide, but due to its offset it's 3 mil further away from the strut than the new rim I'm trying to fit.



So... I think 255s (in the fist pic) should now work. Would I be pushing my luck with 265s? (265/35)
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Old 08-31-2014, 08:20 AM   #16
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you don't have a spacer yet so yeah, i'd get the 265's and if you need to put a 3mm on then so be it. doesn't look like you'll need it though.

is this front or rear clearance? on my kw's, the tyre will hit the inside of the bodywork before it hits the strut iirc (rear). i'd really like a full set of camber plates but between purchase price and having to buy new springs for my coils... can't justify it
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Old 09-02-2014, 12:25 AM   #17
Z33KLF
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very good topic, i was thinking about getting 17*9+45 Enkei RPF1 and it seems that i need to run 5mm spacers or sth like that! thank you!
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Old 09-02-2014, 01:04 AM   #18
vicious_fishes
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actually that rpf1 has teeeeeeeeerrible brake clearance. we have another thread running on it. so you'll likely need more than that.
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Old 09-02-2014, 07:48 AM   #19
zpedalkin
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All pics show rear clearance.

Vicious_fishes, so are you expecting I'll have less than 5 mil of tyre buldge per side with 265s?

Are there any pics of 9" rims mounted with 265/35 Pilot Super Sports around that I could have a look at? Couldn't find anything useful googling..
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Old 09-02-2014, 08:17 AM   #20
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Quote:
Originally Posted by zpedalkin View Post
All pics show rear clearance.

Vicious_fishes, so are you expecting I'll have less than 5 mil of tyre buldge per side with 265s?

Are there any pics of 9" rims mounted with 265/35 Pilot Super Sports around that I could have a look at? Couldn't find anything useful googling..
many, MANY pictures here: http://forums.nasioc.com/forums/show....php?t=1588960

a 265 is fine on a 9. wouldn't go any bigger, but it's fine for fitting on the wheel.

in the picture you posted with a +42, a 265 would definitely fit. not by much obviously, but it'll go.
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