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C7 Tire specs

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Old Aug 20, 2013 | 06:28 PM
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Default C7 Tire specs

Do the tires coming on the C7 have a cold weather rating? Do not drive under xxx temp? Just trying to figure out how long I may be able to drive it before the cold weather hits due to the tires. I know my ZL1 recommends not to drive it under 35 degrees or something like that. The tires could crack I guess. Think the C7 tires will be like that?
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Old Aug 20, 2013 | 06:47 PM
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Originally Posted by tnspd
Do the tires coming on the C7 have a cold weather rating? Do not drive under xxx temp? Just trying to figure out how long I may be able to drive it before the cold weather hits due to the tires. I know my ZL1 recommends not to drive it under 35 degrees or something like that. The tires could crack I guess. Think the C7 tires will be like that?
Not cracking tires. They will be too loose, no traction under around 40 degrees. They are summer compound. Exact numbers will be in the Michelin hand out.
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Old Aug 20, 2013 | 07:19 PM
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As someone that got caught out in a surprise snow with summer performance tires I can tell you that it about a scarey as it gets and I road race on a national level in the SCCA.
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Old Aug 21, 2013 | 01:52 AM
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Yeah. I was on my way home from Vegas in my Z06 with summer tires and it started snowing. I about **** a brick when the car went sideways almost immediately.
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Old Aug 21, 2013 | 03:09 AM
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Originally Posted by WFP
As someone that got caught out in a surprise snow with summer performance tires I can tell you that it about a scarey as it gets and I road race on a national level in the SCCA.
Can't say it's all that fun with 800hp and Nitto 555rII's either.
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Old Aug 21, 2013 | 07:23 AM
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I had the same experience with my GTO. On the summer Bridgestones it was a basket case in even light snow. I mounted a set of Dunlop Wintersports on a second set of wheels, and the car was unstoppable - even in 4" of snow.

I'm not sure I'd try this in a Stingray, but if you want to drive in the winter, a set of aftermarket snow radials will give you some peace of mind. Dunlop makes some great ones.
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Old Aug 22, 2013 | 06:09 AM
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I drive all winter with summer tires in the north east..its a little less traction but no big deal. Just drive more cautiously and slower.

Not great for snow
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Old Aug 22, 2013 | 09:41 AM
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Originally Posted by JudgeNjury
I drive all winter with summer tires in the north east..its a little less traction but no big deal. Just drive more cautiously and slower.

Not great for snow

Soon after buying my Z06 I was in traffic and the ambient temp was around 40 degrees and dry pavement. Light turned green, and the Honda Accord in front of me started slowly accelerating, and I was trying to keep up, but couldn't. Every time I would give it enough gas to keep up, I would start losing the battle as I started spinning the tires.
Another time I started accelerating on an on ramp(normal driving, not hot rodding) and started fishtailing, and I was on a down grade. I don't drive my Z06 when the temps are 40 or below.

I do have Bridgestone RE050A run flats now, and they are an improvement over the OE Goodyear's.
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Old Aug 22, 2013 | 11:05 AM
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I wonder what GM/Corvette recommends. Does Michelin make a winter tire for the Vette?
Up North, this is a big deal, especially the snow issue.
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Old Aug 22, 2013 | 11:24 AM
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Winter tires. Driving a Corvette in the snow. Just offends my sensibilities. Not ragging anybody that does. I just have always thought of a vette as a summer/no snow car.

My 08 CRV will get me thru and take me on occasional visits to see the vette in storage.
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Old Aug 22, 2013 | 12:41 PM
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Yes Michelin does make an 'All Season' tire to fit the C-7. Look for the Pilot Sport A/S 3. The bad news, (according to my salesman) is that GM won't put anything other than the Pilot Super Sport ZP on the car for delivery!
Apparently I'm going to have to make a run 2/3Rd's of the way across the country in the early spring on summer tires.
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Old Aug 22, 2013 | 02:10 PM
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Originally Posted by JudgeNjury
I drive all winter with summer tires in the north east..its a little less traction but no big deal. Just drive more cautiously and slower.

Not great for snow

I did the same with the base Eagle F1's. Great rain traction and "ok" snow handling. Was fine for a while but since I moved, and there's a lot more hills to manage during my commute, the F1's have been sliding more than I'd like them to.

My tire shop knows that as soon as the C7 comes in, a set of all seasons will be mounted to a spare set of wheels for foul weather months. The super sports will most likely be useless in cold weather.
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Old Aug 22, 2013 | 02:46 PM
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While my car will probably never see anything other than summer tires, it was mentioned in a press release by a Michelin rep that both the Stingray and Z51 tires will be offered in an all-season tire.

As one of those weird Californians I can say, snow is something you go visit for an afternoon, and then leave. I wouldn't take my Corvette to go visit snow, but the beach and Pacific Coast Highway will see a few miles.
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Old Aug 22, 2013 | 03:16 PM
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Originally Posted by WaxWeekly
... it was mentioned in a press release by a Michelin rep that both the Stingray and Z51 tires will be offered in an all-season tire.
It appears that the winter tire choices are non-runflat. Ok for some, but some of us have to travel through bad areas in our DD. Areas you wouldn't want to get stuck in waiting for help to arrive


.

Last edited by ZL-1; Aug 22, 2013 at 03:31 PM.
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Old Aug 22, 2013 | 03:25 PM
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I was in the market for some used race tires and during the conversation we had I was told that storage of tires in a cold environment will cause them to crack. I knew that hot temps were bad for tire life, but I'd never considered cold weather for storage to be bad. So that would mean that those of you without a heated garage living in Minnesota should keep your tires stacked in a spare bedroom. I think the threshold he was talking about was in the 30's F.

But my main question is, with the electronics being so involved in the active handling/traction control, etc, what will be the effects of going to a different tire? Will it make the car undriveable or cause codes to set? One of the first things the autocross or track rats do is mount a set of Hoosier A6's which, in previous cars makes them feel like race cars. I'm wondering if this will have undesireable side-effects now with a car like the C7.
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Old Aug 22, 2013 | 05:56 PM
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I've driven my vette in the snow, but hardest thing has been driving a SB2 NASCAR on Goodyear slicks at freezing temps...trying to slip a 14lb triple disc ceramic clutch on a car that weighs more than a vette with less gearing is not an easy task without breaking the tires loose and there isn't any traction control to save you either.

Last edited by PRE-Z06; Aug 22, 2013 at 06:04 PM.
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Old Aug 22, 2013 | 06:02 PM
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Originally Posted by stevebz06
I was in the market for some used race tires and during the conversation we had I was told that storage of tires in a cold environment will cause them to crack. I knew that hot temps were bad for tire life, but I'd never considered cold weather for storage to be bad. So that would mean that those of you without a heated garage living in Minnesota should keep your tires stacked in a spare bedroom. I think the threshold he was talking about was in the 30's F.

But my main question is, with the electronics being so involved in the active handling/traction control, etc, what will be the effects of going to a different tire? Will it make the car undriveable or cause codes to set? One of the first things the autocross or track rats do is mount a set of Hoosier A6's which, in previous cars makes them feel like race cars. I'm wondering if this will have undesireable side-effects now with a car like the C7.
That's a very good question, because the TC/AH system seems calibrated very precisely to the factory tires. Only time will tell.
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