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Tire Question

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SearchMaster

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I live in the South and have always driven All Season tires, and rarely had issues. We'll get snow 0-2 times a year, ice a few more times than that, and near-freezing (say, 36F) fairly often and often accompanied with drizzly rain.

I have a new Focus ST with 7500 miles. The stock tires are summer tires (Goodyear Eagle F1), and will probably be due for replacement in 8-10 months. The manufacturer recommends not driving them below 40F. When I replace them, I'll likely get the best A/S tires I can, but would rather not spend the $1000 now if I can avoid it, nor go through the hassle of storing and remounting the current tires when they are somewhat near the end of their life anyway.

How "dangerous" will it be to drive on these summer tires through the winter, with the following caveats:
- I still have my old Accord as a potential winter beater, it has brand new A/S tires on it.
- I would never drive the ST in icy conditions, or if there was a threat of icing.

I know the stock, easy answer is "isn't it worth $1000 to keep yourself, your family, and your car safe???" And if the summer tires are truly unsafe under 40F, I'll spend the money or just drive the beater. So really my question is whether there will be a noticeable loss of traction in 36-38F wet or dry roads versus 50F wet or dry roads on summer tires? Again, my only experience is with A/S and I've not noticed a loss of traction with them with no real ice on the roads.
 
my summer tires are bricks under 50 degrees. like driving with hockey puck type rubber. IMHO at least get all seasons
 
My pilot super sports are bad for the first few miles. It's ok as long as you're the only driver and you know to let them warm up.

I'm sort of in the same boat. I love the super sports, but I'm not doing track days and couldn't care less about minutes and seconds, only the fun factor.

I think I'm going to try the pilot a/s 3 next. They're all seasons, great in the cold, and supposedly better than most high performance summer tires. Add on that they last a lot longer and are more predictable when they break loose....
 
My pilot super sports are bad for the first few miles. It's ok as long as you're the only driver and you know to let them warm up.

I'm sort of in the same boat. I love the super sports, but I'm not doing track days and couldn't care less about minutes and seconds, only the fun factor.

I think I'm going to try the pilot a/s 3 next. They're all seasons, great in the cold, and supposedly better than most high performance summer tires. Add on that they last a lot longer and are more predictable when they break loose....

I'm a little skeptical of that claim, but maybe....

I had an irrepairable puncture in one of my 245-45-18 Yokohama S Drives. I replaced them with 275-40-18 Kumho Ecsta ASX's ("extreme performance" all seasons) and they seem slightly more slippery on warm dry roads.
 
The problem is they will never warm up to operating temperature and give you the grip you are used to having when operating below 40F. This was a problem with the 2005 Subaru WRX STi too and resulted in accidents when people would drive them like they normally do in cold temperatures. It has nothing to do with ice or snow. It just won't have the same level of grip that you are used to in colder temperatures.
 
The problem is they will never warm up to operating temperature and give you the grip you are used to having when operating below 40F. This was a problem with the 2005 Subaru WRX STi too and resulted in accidents when people would drive them like they normally do in cold temperatures. It has nothing to do with ice or snow. It just won't have the same level of grip that you are used to in colder temperatures.

This. Summer tires aren't suitable for cold weather driving, unless you recognize you're on hockey pucks and drive accordingly (pretend you're driving something that weights 2-3 times what your vehicle does, and leave gaps accordingly, knowing you're far less capable of stopping and maneuvering than usual). Unless you have onboard tire temperature sensing equipment, you need to always assume the tires are cold when the temperature is cold. They don't magically heat up with normal day to day driving.


ALSO READ THIS NEXT PART

Those specific tires (GY Eagle F1) are the absolute worst for cold weather. I won't drive on those even gingerly. They are flat out dangerous below 45 degrees or so, no matter what you do.
 
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ive got direzzas on my subaru, didnt even think of it being a summer tire since i live in the phoenix valley. up north in the winter they were a bitch to keep on the road, ended up going much slower just to maintain control.
 
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