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Old 12-07-2008, 07:16 PM
 
Location: Tennessee/Michigan
24,967 posts, read 30,449,935 times
Reputation: 15165
Post Walnut Shells in Tires for winter driving.

Here's some information I got direct from Toyo on their Observe friction tire:
Thank you for your interest in our Observe snow tire line. The Observe line has been tested and meets the new performance defintition provided by the Rubber Manufactures Association as a tire suitable for severe snow conditions. Our engineers and an independent company also tested the Observe G0-2 (different patterns depending on size) against the Bridgestone Blizzak WS-15, here are the test results;

Toyo Test | Toyo | BS
Snow Braking | 4 | 4
Snow Accel | 4 | 4
Snow Slalom | 4 | 4
Ice Braking | 4 | 5
Ice Accel | 5 | 4
Size: 195/65R15

Independent Test
Traction-Medium | 4 | 5
Pack Snow
Braking-Hard | 4 | 4
Pack Snow
Braking-Ice | 4 | 4
Size: 205/65R15

5=Excellent
4=Very Good

We hope this helps.

Hideki Ueha
Staff Engineer
Technical Service Department
Toyo Tire Corporation Toyo Tires - Home
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Old 12-07-2008, 07:31 PM
 
3,141 posts, read 4,852,034 times
Reputation: 827
I'll stick with Blizzaks.
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Old 12-08-2008, 03:48 AM
 
Location: North Pole Alaska
851 posts, read 2,316,182 times
Reputation: 664
They are both very good tires. I have run the both in the past.
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Old 12-08-2008, 08:49 AM
 
Location: 80919 Rockrimmon yO!
2,738 posts, read 4,583,589 times
Reputation: 1200
What about walnut shells?
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Old 12-08-2008, 09:29 AM
 
Location: Apple Valley Calif
7,377 posts, read 11,499,881 times
Reputation: 4956
Quote:
Originally Posted by ryanek9freak View Post
What about walnut shells?
I agree..! I assume they mix walnut shells into the rubber coumpound to aid in traction, but people posting should explain what the heck they are talking about...
Being from So Calif, we don't buy a lot of snow tires...!
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Old 12-08-2008, 09:42 AM
 
Location: Londonderry, NH
33,394 posts, read 28,007,444 times
Reputation: 15337
Coarsely ground walnut shells are mixed into the tread rubber. When the tread wears the walnut particles fall out creating lots of small snipes that aid traction on packed snow and water free ice. The tread pattern provides most of the traction on loose snow and gravel.

I find that both Toyo and Blizzaks are way too expensive. I have had excellent use from the snow tires provided by the Cooper Tire Company. I use four snow tires on the Subie for longer winter trips (FWIW - best snow car I have ever owned) and a set of worn out all seasons on the Buick Wagon to get to the park & ride lot and back. Worn out tires, a 4500 lb car with a 350 V-8 and snow can make for some wake up driving first thing in the morning.
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Old 12-08-2008, 10:41 AM
 
Location: the D
347 posts, read 891,396 times
Reputation: 160
Quote:
Originally Posted by ryanek9freak View Post
What about walnut shells?
They eat walnuts while driving on the test track and throw the shells out of the window to create more friction
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Old 12-09-2008, 09:26 PM
 
Location: Victoria TX
38,744 posts, read 37,204,368 times
Reputation: 28714
Would it help to just throw a lot of walnut shells inside the tire casing before mounting it on the rim? How well do they stand up in a nitrogen environment? At slow speeds, can you hear them clattering arouind in there?
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Old 08-31-2010, 08:25 PM
 
1 posts, read 9,351 times
Reputation: 11
Wink Re: Walnut Shells in Tires for winter driving

Quote:
Originally Posted by jtur88 View Post
Would it help to just throw a lot of walnut shells inside the tire casing before mounting it on the rim? How well do they stand up in a nitrogen environment? At slow speeds, can you hear them clattering arouind in there?
-----------------------------------------------------------------------------------------

Yeah, That's a great idea! The unbalanced walnut shells rolling around will cause a shimmy which will improve traction!!!! Only because your max speed will be 4 miles an hour.
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