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

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Old 08-21-2018, 09:18 PM
  #2311  
blnewt
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Originally Posted by FAULKENSTEIN
Thanks for the info! Will the 265's need to be on a 30 profile w/ a 245/35/19 up front? I want to run Michelin PSS's but looked at a few sizes already and realized they don't make them so it's fine if I need to go with another brand.
Ideally a 245/40/19 front and 265/35/19 would be best regarding being closest to oem diameter. I'd look for those sizes first, and if not a 245/35 & 265/30.

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goldbug (08-22-2018)
Old 08-21-2018, 09:21 PM
  #2312  
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Originally Posted by iddqd
Good news! I found someone local to swap tires plus my oem wheels for his gunmetal nismos plus cash. I never see them for sale used. I jumped on it and hopefully will have them tomorrow!
Nice! Great quality, strong & light~winning!

Old 08-21-2018, 09:24 PM
  #2313  
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Originally Posted by kushlorddank
Awesome, thanks! So let's say the wheels I type in return "Outer Position: EXTEND an extra 26 mm" using this calculator. Should I just go out to my car with a ruler and try to see if it'll fit? Or are the dimensions and limits for rubbing already well-known?
You're starting w/ pretty conservative wheels w/ the OEM 17s. An inch further out isn't a deal breaker at all. What specs are your new wheels, or if you haven't picked one yet, what width/offset range are you considering?

Old 08-21-2018, 09:29 PM
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Originally Posted by manpants
Hello all!

Really sorry if I am beating a dead horse with my question here but the more I google or sift through countless forum postings the more confused I make myself.

I have a 2011 G37 Coupe that is sitting fairly low on some cheapo Godspeed springs (coilovers in a few months). The ride is not terrible but I digress. So... recently acquired some shiny new XXR 530 wheels.
Specs:
Wheels: 19x8.75 +35 Squared set.
Tires: 225/40r19 (yes... weak I know).

The tires are temporary and I want to try and keep them rotatable so would prefer same size all around since I wanted a squared set of wheels for ease of use etc.
I think I want 245/40 to help keep more rubber on the ground but even with the +35 offset I can't visualize any wider/taller without a rub issue. Lack of experience with this vehicle is my guess. I see all these nice wheel and tire sizes posted here and cars that from first glance look like the tires will rub to shreds and or destroy a fender/wheel well. My hope is to get spacers in time as well to bring them out a tad. Any suggestions on tire size? Two different sizes for Fr/R optimal? I can live with no rotating if need be I suppose but would prefer 4 the same. My goal is to avoid any rolling of fenders at all and to try and keep my liners.
You can run quite a bit more tire without any issues whatsoever. An ideal mount on an 8.75" width would be a 255, so a 255/40/19 would be the tire size I'd go with. You won't have any problems at the fenders for sure! Also hopefully you got hub adapter rings w/ your new wheels, this will keep any high speed vibrations to a minimum.
Old 08-21-2018, 09:34 PM
  #2315  
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Originally Posted by blnewt
You can run quite a bit more tire without any issues whatsoever. An ideal mount on an 8.75" width would be a 255, so a 255/40/19 would be the tire size I'd go with. You won't have any problems at the fenders for sure! Also hopefully you got hub adapter rings w/ your new wheels, this will keep any high speed vibrations to a minimum.
So 255 all 4 corners? Man.. I wonder why they told me it would rub to heck and back with how low I am. Whelp... Guess I just couldn't picture it and the finger in the wheel well test is just me not knowing what the heck I am doing, hah! I will ask them if they installed rings or not. Haven't felt too many vibrations other than from me and what feels like a rubber band between the road.
Old 08-21-2018, 11:29 PM
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Here's a recent post, running 19x9 +35 on 255s, you would be 3mm inside from this one in front and 8mm more room in back (since he has a 5mm spacer in back)
https://www.myg37.com/forums/brakes-...ml#post4206830
Old 08-21-2018, 11:52 PM
  #2317  
manpants
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Originally Posted by blnewt
Here's a recent post, running 19x9 +35 on 255s, you would be 3mm inside from this one in front and 8mm more room in back (since he has a 5mm spacer in back)
https://www.myg37.com/forums/brakes-...ml#post4206830
You are awesome. Thank you!
Old 08-22-2018, 08:43 AM
  #2318  
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Originally Posted by manpants
You are awesome. Thank you!
Actually you'd have 5mm more room, those are +30 offset in that link, and yours are +35, so even less worry, lol!

Old 08-26-2018, 02:23 PM
  #2319  
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I'm guessing the 370Z and G37 RWD Sedan don't have identical fitment. I was looking at these, would it be possible? https://www.ebay.com/itm/19-ROHANA-R...d=283066707506

For those who cant click the link:
19x8.5 front and 19x11 rear
15mm front and 28mm rear
Old 08-27-2018, 08:36 AM
  #2320  
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Originally Posted by SupraOfDoom
I'm guessing the 370Z and G37 RWD Sedan don't have identical fitment. I was looking at these, would it be possible? https://www.ebay.com/itm/19-ROHANA-R...d=283066707506

For those who cant click the link:
19x8.5 front and 19x11 rear
15mm front and 28mm rear
Yeah, way aggressive, if they were +25 front +48 rear, you could get them looking proper on a sedan.
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Old 08-29-2018, 02:22 PM
  #2321  
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20x9+25 / 20x10 +38 . G37S Coupe.

Thoughts? I was originally trying to go square but this is the last set of a wheel the company has.
Old 08-29-2018, 09:45 PM
  #2322  
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Originally Posted by C-G37
20x9+25 / 20x10 +38 . G37S Coupe.

Thoughts? I was originally trying to go square but this is the last set of a wheel the company has.
Those will work well on a coupe, just be SURE that they will clear the big Sport brake calipers. I'd run 245/35 front 285/30 rear, if you're lowered and run a bit more camber you could run 255/35 295/30 to fill up the fenders a bit more.
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Old 09-02-2018, 07:00 PM
  #2323  
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Alright, judging by the wheel fitment thread 19x10.5 40mm should fit pretty well (squared) on a rwd sedan. Does that sound about correct? Saw others with similar at 43mm. If so I found the wheel I'm looking for.
Old 09-02-2018, 10:17 PM
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Originally Posted by SupraOfDoom
Alright, judging by the wheel fitment thread 19x10.5 40mm should fit pretty well (squared) on a rwd sedan. Does that sound about correct? Saw others with similar at 43mm. If so I found the wheel I'm looking for.
Back will be fine, front will probably contact the steering knuckle where it curves toward the ball joint. There's a coupe guys running 10.5 +35 on page one here~
MylilG (post #2) and tbulsara (post #3)
https://www.myg37.com/forums/brakes-...post-here.html

Old 09-03-2018, 09:43 AM
  #2325  
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Correction I meant 19x10's. Still think it would contact?


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