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Old Jan 23, 2021 | 05:29 PM
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Fellas,
I have a simple question
Can I simply switch out 19” and 20” wheels and tires for my 18” and 19” tires and wheels on my 2017 Stingray C7 ‘vert?
I looked for this answer on threads of previous tire discussions, and cannot find this answer.
Thanks

Last edited by WalterP; Jan 23, 2021 at 05:46 PM.
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Old Jan 23, 2021 | 08:41 PM
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Computer doesn’t care about wheel diameter, just OD of the tire. So with the correct tire, yes you can
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Old Jan 24, 2021 | 12:53 PM
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Buddy A,
Thanks for the reply
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Old Jan 24, 2021 | 05:48 PM
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Yes you can. I did the opposite. Stay w/ the stock sizes in 19/20 and no need to figure anything.
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Old Jan 24, 2021 | 07:06 PM
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Thanks
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Old Jan 25, 2021 | 09:07 AM
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Tons of threads on this topic... I downsized to 18/19s on my Z51.

18/19 was the base C7 setup for the first few years of production. So you'll have no problems, get a better ride plus save money in the long run with cheaper rubber.
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Old Jan 26, 2021 | 11:49 PM
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How much thicker is the sidewall on the 18/19 vs 19/20 Is it actually 1" or more hence the softer ride?
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Old Jan 27, 2021 | 10:10 AM
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Originally Posted by 0311 jarhead
How much thicker is the sidewall on the 18/19 vs 19/20 Is it actually 1" or more hence the softer ride?
It is about 1/2" which doesn't sound like much but its a 15% change.

Rears shown below, you can calculate the fronts or any setup you wish here: https://tiresize.com/calculator/


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Old Jan 28, 2021 | 11:15 AM
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As others have said it’s a clean swap over to the smaller wheels just make sure you get run flat tires lol I know it sounds dumb but some people forget and get the cheapest tires they can find and forget there’s no spare tire
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