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Proper offset for 275 up front

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Old 01-29-2005, 03:50 PM
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nemesisZ
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Default Proper offset for 275 up front

I am looking into getting into a set of 18"tires and rims in the size range of 275/40 fr and 285/40. Would there be any issues in running this setup? Mainly I am looking for the proper offset for the front to run a 275/40. Thanks in advance.
Old 01-29-2005, 04:10 PM
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2003z
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17x9+35 will fit that size tire, but I'm not sure about an 18, as its gonna be 1/2" taller and very close to the outward curve of the spindle arm.
Old 01-29-2005, 04:34 PM
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nemesisZ
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Thats what i might do. Go the JDM route of having 2 different rim diameters front and rear. 17x9+35 275/40 and 18x9.5+22 285/40
Now I just have to worry about rubbing the fenders. Hence i am on tanabe springs. Maybe I could get away with 17x9+27. Anymore input out there.

Last edited by nemesisZ; 01-29-2005 at 04:44 PM.
Old 01-29-2005, 05:34 PM
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2003z
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if you go 17s up front you won't rub fenders. I ran them lowered on eibachs with no problem.
Old 01-30-2005, 10:24 AM
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redlinez
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I have 275/30X19 front tire and a 9.5 wheel with a +30 offset, lowered about an inch, no problems. What ever diameter rim you chose, be aware of the tire diameter too.
Old 01-30-2005, 12:33 PM
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johnlotusboy
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I run 17X9 35mm w275/40/17 on RS*R springs lowered .6" no rub. Looking at it I think 27mm will work, but I would run 30mm to keep the SAI correct and this will help with tracking on the rutted up freeways. Yes, wide front tires do inherently track ruts.
Old 01-30-2005, 04:26 PM
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Lateapex
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It may depend on the tire mfg, but I think you are going to have to use 22, or less, offset to clear your uprights. I have 255/40s in the front @ 33mm, and no more than 3mm of upright clearance. My rear 275/40s are a lot wider @ the tread surface, in addition to the extra height.
Old 01-31-2005, 08:29 AM
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daveh
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I would suggest +30. I have +35 with 275's and there is only 2mm clearance between the upright. I got some 5mm spacers for extra clearance making mine +30.
Old 01-31-2005, 10:05 AM
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nemesisZ
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Thanks for the feedback guys. This really helps my decision along.
Old 01-31-2005, 12:05 PM
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002-M-P
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Does anybody have any pictures of a staggered (17F/18R) set of wheels on your Z. I would like to see how it looks. Also, what your impressions are of how it handles.
Old 01-31-2005, 12:31 PM
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bwzabodyn
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the wheels I'm getting are 19x9.5 +29 in the front and should clear with 275/30/19's...
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