Help, Odd rear Set Up!
Thread Starter
5th Gear
Joined: Mar 2026
Posts: 5
Likes: 0
Help, Odd rear Set Up!
I've had my C6 Base for a bit over a year now. Im getting new tires. The rear tires on right now are 295/30/19. Took it to the shop to get new tires and they told me my rears are different. Driver side is 19x11 the passenger 19x10! Both Et.79 both look alike. Hows it possible? Is this is okay? Can I keep getting 295/30/19s for both? Been driving around and never noticed any problems.
Le Mans Master
Joined: Aug 2006
Posts: 5,304
Likes: 2,209
From: San Antonio, TX
I've had my C6 Base for a bit over a year now. Im getting new tires. The rear tires on right now are 295/30/19. Took it to the shop to get new tires and they told me my rears are different. Driver side is 19x11 the passenger 19x10! Both Et.79 both look alike. Hows it possible? Is this is okay? Can I keep getting 295/30/19s for both? Been driving around and never noticed any problems.
What style wheels?
Thread Starter
5th Gear
Joined: Mar 2026
Posts: 5
Likes: 0
Its odd. With the tires on both lay down the same height. But they took the tires off and you could see one is wider. We checked the backside, one says 19x11 et.79, the other is 19x10 et.79. Both were on 295/30/19s.
Melting Slicks
Joined: May 2020
Posts: 2,135
Likes: 1,309
From: North Little Rock, AR
The offset is correct for both wheels. The stock wheel is 19 x 10. I personally would be getting the correct wheel and not run 2 different widths. You can cause undo wear and tear on the differential with that setup.
Le Mans Master
Joined: Aug 2006
Posts: 5,304
Likes: 2,209
From: San Antonio, TX
Those look "similar" to the Z06 split spoke wheels but these have the little studs all along the inside. Looks like it's missing one. It's probably impossible to find the 1 rear wheel to match one of them (either the 10" or 11") So then you're looking at buying 4 new wheels.
If you have the money, I'd buy 4 new wheels. But as someone above said, they've worked up until now, so you could run them until or if you decide to get new wheels.
Best of luck,
Jason
Race Director
Joined: Dec 2005
Posts: 11,298
Likes: 957
From: Carlsbad Ca
Set up for oval rack! (j/k)
Check the fronts, while you're there.
Lord knows what "previous" owners have done to their cars.
I'd be calling Bobs house of wheels and getting the proper sized wheels.
BTW~ Some are putting 305's on the stock rears and 265's up front. (as long as ur car isn't lowered...)
Check the fronts, while you're there.
Lord knows what "previous" owners have done to their cars.
I'd be calling Bobs house of wheels and getting the proper sized wheels.
BTW~ Some are putting 305's on the stock rears and 265's up front. (as long as ur car isn't lowered...)
Race Director
Joined: Mar 2010
Posts: 16,871
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From: T-Town WA
2016 C6 of Year Finalist
While I would not think it would do any harm...the wheels are the same diameter, the tires are the same size...it would drive me nuts and I would have to replace one/some/all wheels. My guess is one of the wheels was curb burned, or pot-holed, and replace.
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Drifting
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From: Central, Mass
exactly my first thought also. It would drive me nuts knowing it now also.
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I personally would have to get a matched set of wheels whether it would be to find another wheel to match what you have or go with a completely new set
Race Director
Joined: Oct 2012
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From: Melbourne, FL
Wheel width is the single biggest driver of traction (outside of compound). The way it's set up right now is going to cause some very odd and possibly unsafe driving mechanics.
I'd get the wheels checked to make sure the shop is right. What size are the fronts? Are they also 19s and someone was a dope and put a narrower front wheel in the back? If you really have staggered wheels left to right, don't bother with new tires, get new wheels and tires. That's a Chinese knock off style that wasn't very popular so you'll like struggle to find a single wheel to fix this issue, so you're likely looking at all new wheels.
Personally, I'd be worried about what other rigged up crap was done to that car. It's highly Improbable that they only did something sketchy and wrong once.
I'd get the wheels checked to make sure the shop is right. What size are the fronts? Are they also 19s and someone was a dope and put a narrower front wheel in the back? If you really have staggered wheels left to right, don't bother with new tires, get new wheels and tires. That's a Chinese knock off style that wasn't very popular so you'll like struggle to find a single wheel to fix this issue, so you're likely looking at all new wheels.
Personally, I'd be worried about what other rigged up crap was done to that car. It's highly Improbable that they only did something sketchy and wrong once.