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Need advice on offset

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Old 09-14-2006, 03:29 PM
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chris'smax
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Default Need advice on offset

Ok guys another will this rub thread.

I have a brand new set of volk gt-n's with Kumho ASX tires sitting in my garage right now. The tire sizes are 245/40/18 and 275/35/18. Now the problem is the rears are 18x10 with a offsett of 18mm so i am not sure i can get away w/ this with out rubbing. I have searched this topic but it seems everyone i have seen running this setup is running a 285 width tire. Also i am going to be running Tanabe gf210 springs.

I know i can roll the fenders but since i just bought this car a week ago and would like to avoid messing the car up. So can i run these wheels in the rear w/ tanabe springs with out rolling the fenders or using a crazy a$$ negative camber.


Thanks
Chris
Old 09-14-2006, 04:04 PM
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Wired 24/7
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18x10 +18 is going to be very close with a 285 tire. My guess is it will rub especially after you get your alignment.

You might consider getting 275.
Old 09-14-2006, 04:08 PM
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Andy@Performance
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275/40/18. Very nice wheels BTW.
Old 09-14-2006, 04:09 PM
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chris'smax
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Originally Posted by Wired 24/7
18x10 +18 is going to be very close with a 285 tire. My guess is it will rub especially after you get your alignment.

You might consider getting 275.

They already have 275's on them.
Old 09-14-2006, 04:21 PM
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Oh I thought you were considering getting 285, I misread.
Old 09-14-2006, 04:23 PM
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chris'smax
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Originally Posted by Wired 24/7
Oh I thought you were considering getting 285, I misread.

Its cool. So do you think that wheel/tire setup will clear with the tanabe springs?
Old 09-14-2006, 09:27 PM
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Eh, probably will clear, but make sure you're at least sort of OK with rolling the fenders.

Here's what you should do:

google for "wheel offset calculator"

use wheel offset calculator and enter these specs : width 10.5" +23 offset

now compare to your 10" wheel with +18 . It will say the new wheel retracts in by 1mm.

Mine just barely rubbed (hotchkis springs), with a 285 tire. So with a skinnier tire, and 1mm more clearance, I think you should be fine. That is my rationale, take it or leave it.

Last edited by Wired 24/7; 09-14-2006 at 09:29 PM.
Old 09-15-2006, 05:25 AM
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chris'smax
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Originally Posted by Wired 24/7
Eh, probably will clear, but make sure you're at least sort of OK with rolling the fenders.

Here's what you should do:

google for "wheel offset calculator"

use wheel offset calculator and enter these specs : width 10.5" +23 offset

now compare to your 10" wheel with +18 . It will say the new wheel retracts in by 1mm.

Mine just barely rubbed (hotchkis springs), with a 285 tire. So with a skinnier tire, and 1mm more clearance, I think you should be fine. That is my rationale, take it or leave it.

thanks for the advice. I guess i am just going to get the springs and then slap everything on and see what happens. Worst case i will have to roll my fenders which i have had done before so it really isn't THAT big of a deal.
Old 09-15-2006, 05:10 PM
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guys 275/40-18 rear with 10.5 18' +28 +tannabe gf210 will work fine
Old 09-15-2006, 10:51 PM
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Originally Posted by xav_350z
guys 275/40-18 rear with 10.5 18' +28 +tannabe gf210 will work fine

I believe so, yes.
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