1924 and 1969 findings? Really? For sure don't use those tires on your 991.

 

the science is sound. Second source is from CMU. Here's an older source, Einstein. You think a newer book on universal gravitation will arrive at a different conclusion Hey, what do I know. I'm a lawyer.

 

I hope you produce better evidence for your clients than you do for your car "facts." Safe to stay the statute of limitations has run on tire science after 45 years. What's next, a Harvard study on drum brakes? Low profile tires weren't even invented in 1969!

All that aside, there is still nothing in that article that you could reasonable connect to the wear characteristics of summer tires in winter weather.

 

Like I said, what do I know about science. Hey, lighten up.

 

I drove ALL of winter last year with Summer Pirelli PZero, because I had just bought the 991S and I didn't feel like changing anything...Yes, I survived and no accidents, but it was not pleasant. Always VERY cautious and could feel the car behaving very differently.

This winter the 991S is staying in the garage. Between the salt, the rocks, potholes and the way people drive in NYC, I'm driving the A8L to work. Another couple of months and then I will take her out of her hibernation.

I have always thought I would invest in snow tires, but since I have a choice of 3 cars and really don't feel like having 4 giant wheels in my garage all year around, I'll enjoy it again in March, hopefully with renewed enthusiasm, since I was kind of getting used to its performance....

My 2 cents: do not take risks and buy winter tires, or let her sleep....

 

I am sad to report that I drove the 991 with its summer tires to work this morning. It it was 26 degrees F ouside and I paid the price. I had no issues commuting, and am thus at my desk and the car is in the garage and I am not in it.

 

For 2 bills you can get tire warmers


http://www.chickenhawkracing.com/pro...l.php?m=3&i=16

 

Now i'm scared....what happened? I've been driving around in NJ without much concern over the summers. Is it that bad driving in them in the winter? wife will definitely kill me if I tell her i need new wheel/tires

 

I think he was trying to be funny;

 

There's an interesting sway of opinion here. The bottom line is the difference between choosing to be prepared, instead of just hoping for the best. Deciding to drive on summer tires below freezing is really just hoping for the best. If it decides to start snowing after you show up for work, then you are left in what could be a very dangerous drive home - for both you, and the people on the road around you. Most here would agree using the car ahead of you to stop is not the right way to do it!!!

The traction difference is significant, the piece of mind is worth it, and the safety is much better. Buy snow tires.

 

oops...i thought he meant the car was in the shop. I feel dumb now

 

I don't drive my 911 if snow is expected.

 

You are totally right about the risk of driving high performance summer tires on snow- of any kind, or ice. They are particularly dangerous in those situations. (I use another car with reasonable all weather tires if there is any threat at all, and usually if the temps are going to stay a freezing or below).

But contrary to some of the myths, the car does not flip at the sight of a corner, shred its rubber, or bounce on flat spots whenever the temps are below 40, (any more than non-N rated tires represent a clear and present danger to humanity).

 

You mean I won't die within minutes if I buy non-N rated tires.. I'm shocked.... Next think I'll hear is that putting a plug in my tire won't result in sure death...

Lots of folks around here with vested interests.. Glad to hear a voice of reason...

 

Agree 100% - I have a question: would you wear flip flops in -16oC temp for a prolonged period of time? Please do not answer just trying to look at it another way...