Winter Tire Pressure

Wheel and tire information and upgrade discussions
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bull77
Posts: 1976
Joined: Wed Mar 08, 2006 2:27 am
Location: Ottawa

Winter Tire Pressure

Post by bull77 »

I've had my winter tires on (BF Goodrich WinterSlaloms) for about a month now -- just pumped the tires to 32psi over the weekend. They were at 26-28 PSI when I filled them.Immediately I noticed better 'off the line' performance and a smoother ride; however we just got 5cms of snow today and the cars sliding and tires are spinning. The traction through the snow was alot better with the lower pressure.So I'm thinking I should reduce the tire pressure to improve handling....thoughts??
kunkstyle
Posts: 1236
Joined: Tue Sep 11, 2007 12:51 pm

Re: Winter Tire Pressure (bull77)

Post by kunkstyle »

Traction will be better with a lower pressure. Although it seems odd that the winter tires would be slipping that much, unless the base of the snowfall was a sheet of ice. 32 psi doesn't seem overly inflated for a winter tire...
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bull77
Posts: 1976
Joined: Wed Mar 08, 2006 2:27 am
Location: Ottawa

Re: Winter Tire Pressure (kunkstyle)

Post by bull77 »

It's been clear the past few days, just got a dump today with no ice. 32 is the recommended pressure, but it's Night and Day when driving on snow. Will driving at a lower pressure -- 28psi -- be dangerous/reduce tire life?
Raven
Posts: 2922
Joined: Tue Sep 30, 2003 10:58 am
Location: Lac Ste. Marie, Quebec

Re: Winter Tire Pressure (bull77)

Post by Raven »

28 shouldn't have much affect on treadwear and mileage in the city but if you're planning a road trip, pump them up. Low tire pressure tends to wear the outside edges of the tread whereas overinflation wears the center.
RIT
Posts: 312
Joined: Mon May 06, 2002 9:58 am

Re: Winter Tire Pressure (bull77)

Post by RIT »

I have those same tires. This is my 6th winter and they still look brand new. Excellent tire, and traction also. Luv 'em.
bull77
Posts: 1976
Joined: Wed Mar 08, 2006 2:27 am
Location: Ottawa

Re: Winter Tire Pressure (RIT)

Post by bull77 »

Quote, originally posted by RIT »I have those same tires. This is my 6th winter and they still look brand new. Excellent tire, and traction also. Luv 'em.Are you running them at 32 or a lower psi?
bull77
Posts: 1976
Joined: Wed Mar 08, 2006 2:27 am
Location: Ottawa

Re: Winter Tire Pressure (Raven)

Post by bull77 »

Quote, originally posted by Raven »28 shouldn't have much affect on treadwear and mileage in the city but if you're planning a road trip, pump them up. Low tire pressure tends to wear the outside edges of the tread whereas overinflation wears the center.We're actually heading out east (~3000kms RT) for Xmas so I'll pump them up for that trip --- I'm more concerned about traction than with mileage in the city, but at highway speeds, I'll be worried about the lack of traction at the higher psi
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