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Old 03-09-2018, 04:50 PM   #1
Warren.pavlick
 
Drives: 2012 ss
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RIMS AND TIRES DONT FIT HELP!!!!!!!

So i bought MRR M228 rims and tires for my 2012 ss. Well i went to mount the front and the rim and tire hit the strut! I did some research and lots of people are running this setup. Whats going on with mine, am i missing something?

Front: 20x10 offset: 35
Front tire 285/35

Rear: 20x11 offset 43
Reat tire 305x35
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Old 03-09-2018, 07:08 PM   #2
InfernoB
 
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Are you certain that they didnt mount a 285 on rear 20x11 for the front by accident? If thats not it... perhaps the wheel offsets are defective? Are you lowered or running oem suspension... struts etc? I'd call Carlos at MRR! Who did you purchase the MRR 228s from... surely they'll make it right?

Last edited by InfernoB; 03-10-2018 at 10:35 AM.
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Old 03-10-2018, 04:21 PM   #3
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A +23 would have been a better choice and this is the offset and tire size GM engineers
put on the ZL1 and 1LE for this reason along with providing a wider track. The +35’s with a 285 come very close to the strut/springs. Check your camber. Move it to at least -1. You would have no clearance issues with coilovers.
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Old 03-11-2018, 10:33 AM   #4
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Quote:
Originally Posted by Warren.pavlick View Post
So i bought MRR M228 rims and tires for my 2012 ss. Well i went to mount the front and the rim and tire hit the strut! I did some research and lots of people are running this setup. Whats going on with mine, am i missing something?

Front: 20x10 offset: 35
Front tire 285/35

Rear: 20x11 offset 43
Reat tire 305x35
Who did you buy them from?
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Old 03-11-2018, 11:26 AM   #5
Kopterman

 
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Wrong offset. It puts your tire 12mm closer to the strut!
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Old 03-12-2018, 06:59 PM   #6
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Quote:
Originally Posted by SS PANTHER View Post
A +23 would have been a better choice and this is the offset and tire size GM engineers
put on the ZL1 and 1LE for this reason along with providing a wider track. The +35’s with a 285 come very close to the strut/springs. Check your camber. Move it to at least -1. You would have no clearance issues with coilovers.
If camber is increased using the factory adjustment point, the strut will be closer to the edge of the wheel.
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Old 03-12-2018, 07:13 PM   #7
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True.
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Old 03-13-2018, 09:20 AM   #8
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that is weird, the front should be fine as I'm running 20x10 285s up front
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Old 03-13-2018, 06:50 PM   #9
InfernoB
 
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Quote:
Originally Posted by Warren.pavlick View Post
So i bought MRR M228 rims and tires for my 2012 ss. Well i went to mount the front and the rim and tire hit the strut! I did some research and lots of people are running this setup. Whats going on with mine, am i missing something?

Front: 20x10 offset: 35
Front tire 285/35

Rear: 20x11 offset 43
Reat tire 305x35
maybe you got some fake MRR M228s... you are the ONLY person I know that has had this issue. Where did you get them? Send them back for replacement because they cant be right. i don't think they're real. Did you get them from eBay?
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Old 03-13-2018, 07:00 PM   #10
Carlos_MRRWheelsInc

 
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STANDARD FITMENT FOR 5TH GEN CAMAROS

20x10 35et 275/35
20x11 43et 315/35/20

we have done hundreds and hundreds of these cars with the same application
__________

test fit the wheel on its own on one side of the car after that test it on the opposite side.

on another note your going to laugh but ive seen shops place the rear 20x11 in the front and calling us that they dont fit, little do they know even after swearing to god that there shop is a professional blah blah blah they feel a little dumb realizing that the front tire was mounted in the back wheel lol
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Old 03-13-2018, 07:52 PM   #11
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I am running that same offset, with Nitto 555G2 285/35/20 and I don't rub the strut at all, it didn't rub with the OEM and it doesn't rub with my Koni Orange. I prefer that offset as the 285 won't poke out of the fender and they do with the 23mm offset. You need to get the car alignment checked, that may be your problem.
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Old 03-13-2018, 11:44 PM   #12
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Quote:
Originally Posted by Carlos_MRRWheelsInc View Post
STANDARD FITMENT FOR 5TH GEN CAMAROS

20x10 35et 275/35
20x11 43et 315/35/20

we have done hundreds and hundreds of these cars with the same application
__________

test fit the wheel on its own on one side of the car after that test it on the opposite side.

on another note your going to laugh but ive seen shops place the rear 20x11 in the front and calling us that they dont fit, little do they know even after swearing to god that there shop is a professional blah blah blah they feel a little dumb realizing that the front tire was mounted in the back wheel lol
Quote:
Originally Posted by Maiden69 View Post
I am running that same offset, with Nitto 555G2 285/35/20 and I don't rub the strut at all, it didn't rub with the OEM and it doesn't rub with my Koni Orange. I prefer that offset as the 285 won't poke out of the fender and they do with the 23mm offset. You need to get the car alignment checked, that may be your problem.
The OP is running a 285-35-20 on a 20x10+35et up front. A 275 may clear on a 20x10+35, but, with the 285 the +23 should be used. Maiden, the +23 doesn't stick out. They sit flush. What size wheel and offset are you running up front? Dirty car, but you can see the 285-35-20 with a 20x10et23 up front is flush. This is the proper setup with a 285.
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Old 03-14-2018, 04:09 PM   #13
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Quote:
Originally Posted by SS PANTHER View Post
The OP is running a 285-35-20 on a 20x10+35et up front. A 275 may clear on a 20x10+35, but, with the 285 the +23 should be used.

Maiden, the +23 doesn't stick out. They sit flush. What size wheel and offset are you running up front? Dirty car, but you can see the 285-35-20 with a 20x10et23 up front is flush. This is the proper setup with a 285.
From my perspective they stick out too much, my co-worker 1LE side is full of chips thrown by the tires on the side. I don't mean stick out from the top, but from the middle of the tire down (if not more) the tire will be out of the fender, slinging everything to the paint. I measure the offset quite a few times, comparing it to the OEM wheels offset and location using an offset calculator on 1010tires, and once I had the difference, I measured the distance from the OEM wheel to the strut. The 285 fit, no problem, not even under hard flexing it comes in contact with the strut. There is only one location that my tire rub, and that is in the inside of the passenger side, right below the inside fender guard. There is a light rub mark, which is not present on the driver side.
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Old 03-14-2018, 06:49 PM   #14
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Quote:
Originally Posted by Maiden69 View Post
From my perspective they stick out too much, my co-worker 1LE side is full of chips thrown by the tires on the side. I don't mean stick out from the top, but from the middle of the tire down (if not more) the tire will be out of the fender, slinging everything to the paint. I measure the offset quite a few times, comparing it to the OEM wheels offset and location using an offset calculator on 1010tires, and once I had the difference, I measured the distance from the OEM wheel to the strut. The 285 fit, no problem, not even under hard flexing it comes in contact with the strut. There is only one location that my tire rub, and that is in the inside of the passenger side, right below the inside fender guard. There is a light rub mark, which is not present on the driver side.
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