The OFFICIAL "I have a wheel offset / tire fitment question!" thread

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Old 01-07-2017, 09:29 AM
  #1771  
the93owner
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Originally Posted by voha123
So I'm looking at a set of rims (Varrstoen es2) They are 19x9.5/10.5 +12 offset.
Two questions:
1) Will this work fine on my 2012 g37xs coupe, running different measurements on front and rear ? Thanks
2) Is this an aggressive set up, I don't want a plain, straight factory look.
1. You can run staggered setups on AWD, but just make sure that your tire diameters are within 1% of each other. A common tire size for this set is 245/40/19 front and 275/35/19 rear.

2. Yes this is a very aggressive setup.
Old 01-07-2017, 11:42 AM
  #1772  
voha123
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Originally Posted by the93owner
1. You can run staggered setups on AWD, but just make sure that your tire diameters are within 1% of each other. A common tire size for this set is 245/40/19 front and 275/35/19 rear.

2. Yes this is a very aggressive setup.
Thank you very much!
Old 01-07-2017, 02:22 PM
  #1773  
blnewt
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Here's a list of AWD compatible sizes and their variance

https://www.myg37.com/forums/brakes-...ml#post3992771
Old 01-17-2017, 08:49 PM
  #1774  
S73G
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BBS CIR's

Im thinking of going with a set of BBS CIR's. Specs are 20x9.5 +40 and 20x10.5 +39. While I know the wheels themselves will fit Im not sure on tires. I want to go with 275/285 front and 305 rear. Everyone running 305's is lowered but I live in houston with **** roads so unless I go bags I won't be lowering. Will this set up fit on stock suspension and akebonos.

275/35R20
305/30R20
Old 01-17-2017, 09:29 PM
  #1775  
blnewt
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With a coupe you should be able to sneak the 305s back there but might have to run a bit extra camber to get them to tuck into the fender. 20s on a stock height don't really look that great though, as that already large fender gap appears even larger as you go up in wheel diameter, It actually doesn't but it "appears" to

You'd have to verify Akebono clearance w/ the vendor, or send them these templates and have them verified.
https://www.myg37.com/forums/brakes-...templates.html
Old 01-21-2017, 07:00 PM
  #1776  
yuepheng479
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I've seen people running 255/40 on their stock 19x8.5 G37XS Coupe but has anyone ran 255/45? There was an inch difference in diameter, so if so did anyone get any rubbing issues from it? Thank you
Old 01-23-2017, 08:18 AM
  #1777  
grojas112
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Good morning.
I am looking at a used set of vossen cv2. Wanted to know if the wheels will fit a G37xS sedan. I am looking for a flush look. Currently lowered on Swift springs with 15mm wheel spacers all around.

Wheel specs
Front: 20x9 +20, 245/35/20
Rear: 20x10.5 +25, 285/30/20
Old 01-23-2017, 08:40 AM
  #1778  
blnewt
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Originally Posted by grojas112
Good morning.
I am looking at a used set of vossen cv2. Wanted to know if the wheels will fit a G37xS sedan. I am looking for a flush look. Currently lowered on Swift springs with 15mm wheel spacers all around.

Wheel specs
Front: 20x9 +20, 245/35/20
Rear: 20x10.5 +25, 285/30/20
Those are coupe offsets, and aggressive even for that. You'd want offsets in the +35 front, +40 to +45 rear.
Old 01-23-2017, 08:51 AM
  #1779  
grojas112
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Thank you
Old 02-05-2017, 03:53 PM
  #1780  
motorbykemike
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been reading but hoping somebody has direct experience


2013x sedan , bone stock suspension/alignment


thinking of a getting a set of used wheels tires


they are 19x8.5 et22 w/ 245/40/19's mounted


don't want to mod the body but have no issues with tweaking alignment specs


any thoughts ?
Old 02-05-2017, 04:14 PM
  #1781  
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Originally Posted by motorbykemike
been reading but hoping somebody has direct experience


2013x sedan , bone stock suspension/alignment


thinking of a getting a set of used wheels tires


they are 19x8.5 et22 w/ 245/40/19's mounted


don't want to mod the body but have no issues with tweaking alignment specs


any thoughts ?
I assume you have the OEM 17" wheel setup. If so you current wheels are a 17x7.5 +45. Using our handy site calculator here~
https://www.myg37.com/forums/tire_rim_calculator.php
Your new set will be almost 36mm out from what you're now running. Put a piece of foam or a paperback book that's 1.4" thick and place it on the edge of the wheel and tire, this is how that new setup will fit. It's going to poke out from the fender edge about a 1/2", and possibly more at stock height & camber. To be honest I'd look for something like a +30 to +35 offset in that 8.5" width at stock height.
Old 02-05-2017, 04:49 PM
  #1782  
motorbykemike
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that's kinda what I was expecting as a response , I saw me pics of them on a g35 sedan that was lowered , not slammed , and they were not sticking out , actually they were flush or just inside of the wheel arches


very rare and quite beautiful wheels for certain but I think I may be more inclined to go 18x9.5 et35-38 and run a 245/50/18
Old 02-05-2017, 05:02 PM
  #1783  
motorbykemike
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^ to continue


I am not familiar with this particular chassis but am very handy , built and track many makes/models in the past . this ones the wifes / our road tripper / nice car


yes it's stock wheels/tires now and I will be using them or some xxr 527 17x8.25 et35 I already own for snows in the future


so let me get this straight , when you lower these things you get more outboard wheel/tire clearance ? front and rear ?


what would be an "extreme" wheel width/offset that pushes the limits inboard and outboard ? what's the first thing that hits inside ? I assume the wheel arches are the thing on the outside ?


and what is the oem hub bore size ?


just trying to get my bearings here


tia

Last edited by motorbykemike; 02-05-2017 at 05:14 PM.
Old 02-05-2017, 09:13 PM
  #1784  
motorbykemike
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how about 18x9 et 42 with a 245/50/18 ?


22.4 closer inside/28.4 further out according to the calculator I use


will it hit anything inside ?


prob not going to lower this car in the near future , it has 20k on it , when the struts go away that may change but for now , stock height , taller tire
Old 02-05-2017, 10:38 PM
  #1785  
the93owner
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Originally Posted by motorbykemike
^ to continue


I am not familiar with this particular chassis but am very handy , built and track many makes/models in the past . this ones the wifes / our road tripper / nice car


yes it's stock wheels/tires now and I will be using them or some xxr 527 17x8.25 et35 I already own for snows in the future


so let me get this straight , when you lower these things you get more outboard wheel/tire clearance ? front and rear ?


what would be an "extreme" wheel width/offset that pushes the limits inboard and outboard ? what's the first thing that hits inside ? I assume the wheel arches are the thing on the outside ?


and what is the oem hub bore size ?


just trying to get my bearings here


tia
17x8.25 is pretty conservative, I don't think you'll have to worry much about any clearance issues. You'll only need to really worry about your wheels hitting suspension or steering components on the inside is with wider wheels.

When you lower the car the wheels tuck in naturally due to camber, if that's what you're asking. That gets you more clearance at the fender.

Hub bore size is the diameter of where the wheel mounts onto the wheel hub. Our size is 66.1mm. Different manufacturers have different hub bore sizes. Most aftermarket wheel manufacturers have one standard hub size for their wheels (something like 73.1) or a few common sizes. In the event that the wheel's hub size is not the same as the one required for our cars, you'll need hub ring adapters. Without those, your wheels will not sit exactly as they should and will cause vibrating.


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