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Old 07-14-2019, 11:12 AM   #1
chris'stransam
 
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What Rear tire size can I go to ?

I have a 17 zl1 with a 1az package. It dose have bmr 1" drop springs . I am wanting to know how wide can I go on the tires . I have a Set of HREs on the rear that are 43 offset . I want to go to a 335/30/20s but worried about rubbing. I am fo sure 315/30/20s would fit . Any one running 325s or 315s ?
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Old 07-14-2019, 11:44 AM   #2
PROMETHEUS

 
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I believe there have been posts about the 325 and bigger rubbing against the suspension of the ZL-1.
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Old 08-10-2019, 12:52 AM   #3
ZL1naples
 
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I have a '19 ZL1 with HRE rears 43 offset with 315s. No rubbing issues. I have yet to check if I have room to go to 325s.
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Old 08-11-2019, 09:13 PM   #4
SteveV

 
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I still have the stock wheels and have not lowered mine. I am running 315s on the rear with no rubbing.

Cannot speak to the 325s, have not tried that size.
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Old 08-12-2019, 07:05 AM   #5
LT4Greg


 
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Chris, I checked on TireSize.com and you could run 315s but as was stated 325 or 335 would be wider and taller especially the 335 size. Check the size comparisons on the above website to see the difference in height and width of each size you are considering to use on your ZL1!
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Old 08-12-2019, 09:08 AM   #6
ICTsccaCamaro
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355/30R19's are the widest rears for a ZL1 1LE
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Old 08-12-2019, 12:50 PM   #7
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Plenty of previous posts and the consensus is 315 is the widest you can go without a rub issue, unless you want to make modifications to the car.
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Old 08-12-2019, 09:10 PM   #8
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Quote:
Originally Posted by chris'stransam View Post
I have a 17 zl1 with a 1az package. It dose have bmr 1" drop springs . I am wanting to know how wide can I go on the tires . I have a Set of HREs on the rear that are 43 offset . I want to go to a 335/30/20s but worried about rubbing. I am fo sure 315/30/20s would fit . Any one running 325s or 315s ?
Are they an 11” wheel at 43 OS or 12” wheel at 43 OS?
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