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Winter Tire Compound vs. Summer

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Old 12-26-2010, 10:27 PM
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jeff spahn
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Default Winter Tire Compound vs. Summer

As shown by my avatar I have driven my shark in the snow. Now at the time the photo was taken I was driving with Michelin Pilot A/S Sport Plus (mouthful). These are a great all season tire with an AA temperature rating. They gripped very well and my car was able to go in the snow with no problems. Good steering, good braking and good traction.

I got about 11,000 miles out of them. I have a set of Blizzaks for the shark but I don't really want to drive in the snow much. My car lived in SoCal its whole life and I don't want to ruin the undercarriage with salt and all the associated nastiness.

In late November, I put on a set of Fuzion ZRi's. They are a summer tire. We got some cold temps at the beginning of December and our ski area opened early. I threw my carving skis into the shark and went out. There was snow in the parking lot. I got stuck on basically flat ground. New tires, summer compound, bad idea on snow.

They were basically worthless. I was spinning in Drive at just above idle. If you even think you are going to drive in some snow, don't use summer tires. You might as well be driving on hockey pucks.

Just some personal experience to share with all.
Old 12-26-2010, 11:56 PM
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Jim M.
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+928. My GTS has 315/30 x 18's. Last winter I got caught at work after about 2" of snow came down. Traffic was bumper to bumper and never got over about 30 MPH. By necessity I was forced to stop on a very slight incline, maybe 5 degrees. Could not move forward, although I could go backwards. Tried backing onto the shoulder thinking the rougher surface might help, also the snow was not compacted on the shoulder. Finally starting off in 4th gear, it would just creep forward until I got to the top of the slight incline. In this part of Texas the snow is usually rare and short lived. In fact the 2" was gone the next day, so true winter tires are not very practical.
Old 12-27-2010, 12:37 AM
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GlenL
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I was struggling with this recently as well. I've used a few types of Summer tires and they get hard pretty quickly below 60F. Wide tires make is worse.

If you're going to be driving the car below 50F get all-season tires. If you're going to see snow get stock widths and, better, snow tires.
Old 12-27-2010, 01:05 AM
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Imo000
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Summer tires get dangerous when the temps dip bellow 10C. I can't say it enough, even the cheapest set of show tires are 10X better than the best all seasons.
Old 12-27-2010, 01:15 AM
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Richard S
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When I bought my first 928 I lived in Tahoe. Put a set of Pirelli Winter tires on it. Never got stuck, never chained up. Drove through some nasty winter storms, white knuckles on the steering wheel. The 928 never let me down, passing many other sports cars in the ditch. Winter tires ftw.

Rich
Old 12-27-2010, 01:23 AM
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Default Very True.

Originally Posted by Imo000
Summer tires get dangerous when the temps dip bellow 10C. I can't say it enough, even the cheapest set of show tires are 10X better than the best all seasons.
Best advice. BTDT....having no braking ability is not fun. The softer compound doesn't last under higher temp driving, but makes a huge difference when the pavement gets cold.

Once the salt hits the roads, I'm back in the '95 4x4 Suburban until spring. Stock rims and cheap snow tires. (Not pretty but very effective), And I've had no issues in 2 wheel in two feet of snow in North Bay. (Few hours north of here). (With a very loaded, very large flat bed trailer on the back).
Old 12-27-2010, 01:26 AM
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Default Once upon a time....

Originally Posted by Richard S
When I bought my first 928 I lived in Tahoe. Put a set of Pirelli Winter tires on it. Never got stuck, never chained up. Drove through some nasty winter storms, white knuckles on the steering wheel. The 928 never let me down, passing many other sports cars in the ditch. Winter tires ftw.

Rich
We used to see a few 928's regularly a few hours north of here in the winter in the eighties. With LSD and the right tires, they're no issue in the snow. (It does snow in Germany....right?)



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