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

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Old 02-27-2017, 06:44 PM
  #1816  
voha123
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Originally Posted by the93owner
Just make sure the wheels will fit over the big brakes. 20x10.5 +30 is fairly aggressive, but if you're lowered I think you can pull it off. You might need to trim some fender brackets for extra clearance. Also the 255 tire will be stretched on a 10.5 wheel.
Thank you!, not lowered yet but have plans to do in the near future.
Old 02-27-2017, 10:36 PM
  #1817  
axis.
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For a 2010 Sport Coupe lowered on Eibachs

Running

19x8.5 +40 fronts
19x10 +30 rears

I have front tires that are 245/40/19
I need rear tires and I'm thinking either 275/35/19 or 275/40/19

Would a 35 sidewall look too low profile compared to the 40 in the front since the front rims are 1.5" thinner?

Thanks!
Old 02-27-2017, 11:21 PM
  #1818  
blnewt
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No, the 275/35 will be the best match to the 245/40s, diameter will be visually identical. The 275/40 would be almost an inch taller, the 275/35 will only be about 1/8" shorter, hardly a difference.
Check this calculator when you want to try various tire/wheel combos
https://www.myg37.com/forums/tire_rim_calculator.php
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Old 02-27-2017, 11:36 PM
  #1819  
the93owner
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Originally Posted by axis.
For a 2010 Sport Coupe lowered on Eibachs

Running

19x8.5 +40 fronts
19x10 +30 rears

I have front tires that are 245/40/19
I need rear tires and I'm thinking either 275/35/19 or 275/40/19

Would a 35 sidewall look too low profile compared to the 40 in the front since the front rims are 1.5" thinner?

Thanks!
The middle number is just a ratio with respect to the width, so as you increase width you decrease ratio to get the same overall diameter. So as blnewt said, the best match to the 245/40/19 is 275/35/19.
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Old 02-28-2017, 09:08 AM
  #1820  
axis.
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Originally Posted by blnewt
No, the 275/35 will be the best match to the 245/40s, diameter will be visually identical. The 275/40 would be almost an inch taller, the 275/35 will only be about 1/8" shorter, hardly a difference.
Check this calculator when you want to try various tire/wheel combos
https://www.myg37.com/forums/tire_rim_calculator.php
Originally Posted by the93owner
The middle number is just a ratio with respect to the width, so as you increase width you decrease ratio to get the same overall diameter. So as blnewt said, the best match to the 245/40/19 is 275/35/19.
This was my impression as well but my friend suggested running 40 all around, as "35 would look very low-profile." The Eibachs are a very mild drop in the rear (a lot more noticeable than the fronts) too and I'm currently running stretch with I believe a 245 on 10" - and it looks stupid so I'm trying to get rid of this lol

Thank you both!!
Old 03-03-2017, 01:29 AM
  #1821  
G37XS13
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I have a G37XS coupe on Swifts springs. I purchased 19x9.5 +25 wheels. Should I get 245/40/19 or 255/40/19 tires?
Old 03-03-2017, 02:13 AM
  #1822  
blnewt
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Originally Posted by G37XS13
I have a G37XS coupe on Swifts springs. I purchased 19x9.5 +25 wheels. Should I get 245/40/19 or 255/40/19 tires?
Here's a coupe w/ 19x9.5 +20 on 255/35s, you will have an additional 5mm room if you were to run 255s on yours.
https://www.myg37.com/forums/brakes-...ml#post4088095
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Old 03-03-2017, 06:57 PM
  #1823  
JamesG37x
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Hey guys,

Made a thread before posting here my bad. I'm looking at getting these wheels.
https://esrwheels.com/collections/es...nt=24459922883
I've got a AWD coupe without the bbk. I'd like to be able to run these in 18x8.5 or 9.5 with +30 or +35 respectively. Anyone if this has any chance to clear the calipers even with spacers?
Old 03-03-2017, 11:44 PM
  #1824  
the93owner
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Originally Posted by JamesG37x
Hey guys,

Made a thread before posting here my bad. I'm looking at getting these wheels.
https://esrwheels.com/collections/es...nt=24459922883
I've got a AWD coupe without the bbk. I'd like to be able to run these in 18x8.5 or 9.5 with +30 or +35 respectively. Anyone if this has any chance to clear the calipers even with spacers?
Without BBK you wouldn't need to worry about caliper clearance. You will have plenty of room with those specs.
Old 03-04-2017, 01:19 AM
  #1825  
douby77
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i was trying to make a thread regarding this topic but I'm the new guy that doesn't even know how to post a new thread but anyway my question is will i rub with this set up especially in the rear so I'm dropped on tein s tech and i just got wheels that are 19x9.5 et13 all around and i plan on running 245 35 also all around. the rear sits about 1.9 for anybody that sitting as low with coils. so please guys help me out with some answers, some pics, anything....will i rub ?
Old 03-04-2017, 08:41 AM
  #1826  
the93owner
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Originally Posted by douby77
i was trying to make a thread regarding this topic but I'm the new guy that doesn't even know how to post a new thread but anyway my question is will i rub with this set up especially in the rear so I'm dropped on tein s tech and i just got wheels that are 19x9.5 et13 all around and i plan on running 245 35 also all around. the rear sits about 1.9 for anybody that sitting as low with coils. so please guys help me out with some answers, some pics, anything....will i rub ?
Do you have a coupe or sedan? Might be doable on a coupe but that is a pretty aggressive offset for a sedan.
Old 03-04-2017, 09:38 AM
  #1827  
douby77
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Originally Posted by the93owner
Do you have a coupe or sedan? Might be doable on a coupe but that is a pretty aggressive offset for a sedan.
i have a coupe, that's exactly what I'm going for an aggressive flush stance without rubbing in the rear
Old 03-04-2017, 12:22 PM
  #1828  
fatalblitz
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Hi All,

currently running 19x9.5 / 10.5 +22 on ZE40s and was wondering how difficult would it be to fit a 10.5 +12 on the rear? Here is how my current fitment is.

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Current rear tire sizes are 255/35 I believe.
Old 03-04-2017, 12:52 PM
  #1829  
douby77
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Originally Posted by fatalblitz
Hi All,

currently running 19x9.5 / 10.5 +22 on ZE40s and was wondering how difficult would it be to fit a 10.5 +12 on the rear? Here is how my current fitment is.



Current rear tire sizes are 255/35 I believe.
damn thats beautiful, do you know how low you are front and back
Old 03-04-2017, 02:42 PM
  #1830  
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That's as aggressive as I'd recommend, it looks like one of the best fits I've seen fatalblitz. You could always camber out some more to stuff the +12s in there or run some stretched 245s, but yours is so functional now and you'll lose some of that IMO. But Kudos in your current state, well done!

Last edited by blnewt; 03-04-2017 at 11:28 PM.


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