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Tire suggestion?

 
Old 05-15-2019, 07:53 AM
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Silverwolf_pup
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Default Tire suggestion?

Hello, 2002 fe3 z51 coupe, I have a question about tires, I have reproduction fake z06 rims with OEM tires 275/40/18 rear, I have a few suspension upgrades like, C6 z51 sway bars, Bilstein B6 HD shocks, someone mentioned that with the OEM 275 width Iím not getting full potential of the suspension upgrades, mods, is this false or correct? I do need two new rear tires, so should I fit some wider tires on, I seen 285 will work, but should I? it should give better grip being wider. Thanks
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Old 05-15-2019, 08:13 AM
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Spend a few minutes on "tirerack.com". Worth your time.
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Old 05-15-2019, 08:25 AM
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Originally Posted by runner140* View Post
Spend a few minutes on "tirerack.com". Worth your time.
Excellent suggestion. I use that site, almost every day.

OP, need more info from you. OEM Z06 rear wheels are 18x10.5's. Your "repro fake" Z06 rears may be 18x9.5 or 18x10.5 or ? Do you know what width they are because it makes a big difference in tire size recommendations. What size are your front wheels and tires?
If your rears are 9.5 width, I personally wouldn't run anything wider than a 285 tire. If they are 10.5 width, either a 295 or 305 will work fine. Yes, a 315/30/18 will fit a 10.5 width wheel but those tires are really short @ 25.5" tall. Why is that important? Because, to keep your front-rear tire diameter stagger in the range that keeps your active handle/traction control happy, you would need to also run an even shorter diameter front tire.
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Old 05-15-2019, 08:47 AM
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Originally Posted by USAZR1 View Post
Excellent suggestion. I use that site, almost every day.
Me too !!!


Originally Posted by USAZR1 View Post
OP, need more info from you. OEM Z06 rear wheels are 18x10.5's. Your "repro fake" Z06 rears may be 18x9.5 or 18x10.5 or ? Do you know what width they are because it makes a big difference in tire size recommendations. What size are your front wheels and tires?
If your rears are 9.5 width, I personally wouldn't run anything wider than a 285 tire. If they are 10.5 width, either a 295 or 305 will work fine. Yes, a 315/30/18 will fit a 10.5 width wheel but those tires are really short @ 25.5" tall. Why is that important? Because, to keep your front-rear tire diameter stagger in the range that keeps your active handle/traction control happy, you would need to also run an even shorter diameter front tire.
excellent answer/post !!!

Last edited by [email protected]; 05-15-2019 at 08:47 AM.
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Old 05-15-2019, 10:13 AM
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Unfortunately, as our C5's age, tire selection becomes an issue. You dont want to spend money on new wheels ( different sizes ) just so that you can get a specific tire that might be available in a specific size. 20 years after the fact, selecting tires is not a given.. what you have to do in 2019 is find all of the "available" tires, with actual stock in house that you can purchase. From this research you can select the best tire for your specific needs from those that are available. Price, compound etc. Dont compare one manufacturers tread ware number to another manufacturers.. This is not a Universal number. its only for internal comparison within that specific manufacturer.. A higher thread ware rating could be in reality, a lower performer then another manufacturers lower rating.
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Old 05-19-2019, 07:18 AM
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What will a 285 tire look like on rear, anyone have pics.
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Old 05-19-2019, 12:46 PM
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Originally Posted by Silverwolf_pup View Post
What will a 285 tire look like on rear, anyone have pics.
As USAZR1 asked, what are your rim sizes? Are your reproduction Z06 rims the same as factory Z06 rims, 17x9.5 front, 18.10.5 rear? You need to know the specs in order to select the right size tires.

Steve
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Old 05-19-2019, 06:34 PM
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Originally Posted by killian96ss View Post
As USAZR1 asked, what are your rim sizes? Are your reproduction Z06 rims the same as factory Z06 rims, 17x9.5 front, 18.10.5 rear? You need to know the specs in order to select the right size tires.

Steve
Ok I need to measure my rim depth
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Old 05-20-2019, 05:31 PM
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The wheel width should be stamped either on the inside of one of the wheel spikes or on the back side of the wheel on the lip edge. Just look carefully on the back side of the wheel.
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