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Old 08-07-2005, 10:34 AM   #1
Scooby Newbie
Member#: 66277
Join Date: Jul 2004
2004 WRX Wagon

Default Temperature and Summer Tires

Hi as I understand it Summer Tires have a low temperature thresehold where they lose grip due to rubber compound.

What is the low temperature range where these tires loose traction on dry/wet due to this?

I am on the fence of getting All-Seasons vs Summer tires.

Many thanks,

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Old 08-07-2005, 12:27 PM   #2
Scooby Specialist
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Join Date: Aug 2004
Chapter/Region: NESIC
2001 M5
2013 Abarth Cabrio


i've heard that 40 degrees farenheit and lower, it may be a little bit iffy
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Old 08-08-2005, 09:56 AM   #3
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40-45 is about the temp where summer tires start to loose their ability
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Old 08-08-2005, 12:10 PM   #4
Uncle Scotty
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OK buy Nates beans


....especially in the wet
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Old 08-08-2005, 12:37 PM   #5
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They may lose some traction under 40, but that doesn't mean they have less traction than an all season.

I have two experiences with cold temps and summer tires.

One was a winter auto-x. Temps started out ~40 F, and I was running Toyo T1-S summer tires. The first couple of runs, I had plenty of grip. Then the wind picked up and temps dropped below 30 F. The grip diminished, and even though I was more familiar with the course, I ran a second slower than my morning runs.

My second experience was at a high speed autox this past spring on a track. It was mid 30's and raining. I started out on my snow tires (Dunlop Wintersport M3), and after a couple runs, switched to my summer tires (3/32" Toyo T1-S). The summer tires had tons more grip than the snow tires did, even when we started getting some flurries (nothing sticking on the track...but temps were right at freezing).
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