SCZEE06

Z0HS1CK

Same.

Not everyone treats their car the same way, not everyone drives their car the same way. Not everyone lives in the same climate.

I have switched from the crappy PSS's to conti's 2 times, and both times were a success. I don't track the cars i switched to contis on so i'm sure i didn't leave any "performance" behind when i ditched the PSS's.

But for street driving, everything else was upgraded. No more tire noise, no more harsh ride, no more tire skipping at full lock at low speeds, no more worrying about low tread life.

Z0HS1CK

Like i said above, could be the driver habits, along with the type of tire matched with the wheels.

I am on my 3rd forgestar set and never had problems.

And also like what was said somewhere, anything is better than OEM.

CW4L

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JosephMingle

I appreciate your feedback, but having Mich up front wouldn't cause the back end to feel like it's sliding all over the place - unless the Mich are just that much better (we are talking about street driving). But that does seem contrary to the reviews at Tire Rack and here as well.

I planned to replace the front Mich as soon as the Conti became available (wanted to avoid cracked rims in the rear given they were just replaced). However, given how poorly the Conti manage lateral movement, I'm planning to dump them and go back to the Mich. At least they didn't wiggle all over the place. Now I'll just risk broken rims ... no winning I guess.

neile300c

I didn't read thru this entire thread, but I figured I'd add some input from an article I just read. Sorry if it's been posted before in regards to this.

Car and Driver's 40k mile wrap up of the C7 Grand Sport. Only issues were with the wheels.

https://www.msn.com/en-us/autos/auto...cid=spartanntp

MontanaBob

Neile300c,

I read the article on Flipboard and posted a response, (copied below), of my recent experience in Detroit where C & D had the long-term test car, as I remember.
**************************************** ***************
On a whim, last August, I decided to make the trek back to Michigan for the Woodward Dream Cruise, in my 2018 Corvette Z06/Z07 3LZ coupe. It's a long poke, from Western Montana to southeastern Michigan, a round trip of 4,300 miles.

The only problem that I had was picking up a nail and a screw in the rear tires, both in the Detroit area. Prior to this, I hadn't experienced a damaged tire in thirty years.

As for damaged wheels, although I didn't have any problems but, frankly that's a frickin' miracle given the horrendous condition of Michigan roads. While there, I spoke with a gentleman who's an employee of GM and works at the GM Technical Center in Warren. He told me that, in a period of several months he had broken 6 wheels in a period of several months traveling to and from work in his 2018 Z06 Corvette.

The bottom line is that the fact that Car & Driver had wheel problems in the Detroit area is not at all surprising. Keep in mind that the Grand Sport and Z06 are equipped with run-flat tires (with extremely stiff sidewalls) mounted on 10" wheels on the front and 12" on the rear. Anything short of 10-ply tires mounted on narrow steel wheels could experience wheel failures driving through the "tank traps" that are the Detroit-area roads.

So Car & Driver's panning of the wheels on a Corvette is disingenuous in my opinion.

Montana Bob
**************************************** *******************
I wasn't going to bring this up on the Corvette Forum assuming that I would be flamed big time as my experience with stock Corvette wheels is totally counter to most of those posting their bad experiences. Perhaps I am just more careful in avoiding potholes. Whilst driving in the Detroit area, I was wiggin' and waggin' big time to stay out of trouble. Every so often I'd hit one and my eyes would immediately go to the tire pressure display which I constantly used while in the Southeast Michigan area. Couldn't wait to get out of there so much so that I left the state by heading straight south down I 75 to I 80 and then headed back west instead of taking a shorter route.

Montana Bob

tertiumquid

You're making a mistake, Joe. The difference in grip and lateral side-slip are very different. In years' past, this would be akin to mixing radials and bias tires which caused a lot of accidents. Obviously, it's your car and skin but any honest tire expert will tell you you should never mix two different types of tires. This isn't a brand issue, it's a physical characteristics one. You've got sticky, hard-walled run-flats on the front and more live Non RF's on the rear. In a turn, the Mich's are going to act very different from the Conti's and that's producing the rear end acting strange. The Mich's are definitely stickier than the Conti's and will grip more than the rears. Result: the *** end will swing around.

MontanaBob

wholeheartedly!

Montana Bob

Classic-Chevy-Guy

Suggest you report your Bent/Cracked Wheel to NHTSA.

Link below:

https://www.corvetteforum.com/forums...afety-adm.html

Don Pablo GS

I just found out I have cracked both rears on the GS running Continental in 100 deg Texas heat. So don't think Conti's will solve your problems. Plus the Conti's are not near as sticky as Pilot Super Sports. Just got Pilot Sport A/S 3 Plus installed. So far I like them much better than the Continental. And I have track tires/wheels so that's not where the cracks happened. I understand bent wheels but I don't think they should be cracking. Now what to do. Sounds like the wheel repair option doesn't always work out. At least the new C8 should have slightly more narrow rear tires. Hope that helps.

Classic-Chevy-Guy

Tadge mentioned at the NCM Anniversary that the C8 Wheels were thicker than the C7s

tertiumquid

Gee, I wonder what led them to do that????????

usrodeo4

Thanks for the post and Holy Mackerel that is a serious wheel problem...just bought my Z06 in July and if I keep her I think my first mod will be ditching the run flats for cup 2 air tires.

tertiumquid

You'd be better off getting rid of the OEM wheels. They are the problem, not so much the tires, although they certainly can contribute to the cracking. Some of us have found the best combination for street use overall in terms of ride quality, noise and elimination of the cracking syndrome are non RF's like Conti's mounted on quality monoblock forged wheels. They'll cost you $3.5K and up but the problems will be gone. I went with Signature wheels but there are other excellent manufacturers out there - just don't let anybody talk you into flow forged wheels; they're cheaper but nowhere near as strong as the monoblocks. Conti's can be had for about the same price as the OEM Michelin's. Do this and you'll be able to really enjoy that ZO6.