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Message: Some summer tire experiences in cold and/or snowy weather
Changed By: Laz
Change Date: December 23, 2019 08:38AM
Some summer tire experiences in cold and/or snowy weather
My 01 base Boxster had Michelin Mxx3 tires. In April 2002, while driving through southern Wyoming, I hit a good-sized snow storm. The car felt a little loose in mostly loose, fresh snow and slush. I drove at about 40 in the right lane of I-80 with my blinkers on, and somehow made it out of the mountains without breaking loose. The snow had stopped by the time I got to I-15 in Utah, and actually drove back into the mountains and stayed at the nice hotel in Bryce Canyon.
My 13 Boxster S with PASM and Torque Vectoring was OE'd with Goodyears, which could tolerate cold surfaces pretty well, but I do switch to Michelin PA4s once the temperatures are consistently at or below 45. I believe the PA4s are very close to being true 4-season tires. However, the latest summer tires are Pirelli PZ4. I got them based on their wet performance, but at most any moderate temperature, like around 60(!), they exhibit that full-lock slow speed skipping, and under hard acceleration exhibit severe axle tramp. Very surprising to have tramping on a rear weight-biased vehicle.* I will likely go back to the Goodyears with the next 4-tire changeout. I wouldn't dare drive the Pirellis in snow, and the Pirelli warning about near-freezing tread cracking is literally alarming.
* Insofar as to why the Boxster breaks loose, but not a more powerful 911, consider that one great advantage 911s have had in racing is the ability to put power down coming out of a turn because of the increased weight (pressure/force/vector?) on the rear tires. However, I believe the latest RSRs have become mid-engined in order to take advantage of bigger, more effective rear diffusers.
Changed By: Laz
Change Date: December 23, 2019 08:37AM
Some summer tire experiences in cold and/or snowy weather
My 01 base Boxster had Michelin Mxx3 tires. In April 2002, while driving through southern Wyoming, I hit a good-sized snow storm. The car felt a little loose in mostly loose, fresh snow and slush. I drove at about 40 in the right lane of I-80 with my blinkers on, and somehow made it out of the mountains without breaking loose. The snow had stopped by the time I got to I-15 in Utah, and actually drove back into the mountains and stayed at the nice hotel in Bryce Canyon.
My 13 Boxster S with PASM was OE'd with Goodyears, which could tolerate cold surfaces pretty well, but I do switch to Michelin PA4s once the temperatures are consistently at or below 45. I believe the PA4s are very close to being true 4-season tires. However, the latest summer tires are Pirelli PZ4. I got them based on their wet performance, but at most any moderate temperature, like around 60(!), they exhibit that full-lock slow speed skipping, and under hard acceleration exhibit severe axle tramp. Very surprising to have tramping on a rear weight-biased vehicle.* I will likely go back to the Goodyears with the next 4-tire changeout. I wouldn't dare drive the Pirellis in snow, and the Pirelli warning about near-freezing tread cracking is literally alarming.
* Insofar as to why the Boxster breaks loose, but not a more powerful 911, consider that one great advantage 911s have had in racing is the ability to put power down coming out of a turn because of the increased weight (pressure/force/vector?) on the rear tires. However, I believe the latest RSRs have become mid-engined in order to take advantage of bigger, more effective rear diffusers.
Changed By: Laz
Change Date: December 23, 2019 08:34AM
Some summer tire experiences in cold and/or snowy weather
My 01 base Boxster had Michelin Mxx3 tires. In April 2002, while driving through southern Wyoming, I hit a good-sized snow storm. The car felt a little loose in mostly loose, fresh snow and slush. I drove at about 40 in the right lane of I-80 with my blinkers on, and somehow made it out of the mountains without breaking loose. The snow had stopped by the time I got to I-15 in Utah, and actually drove back into the mountains and stayed at the nice hotel in Bryce Canyon.
My 13 Boxster S was OE'd with Goodyears, which could tolerate cold surfaces pretty well, but I do switch to Michelin PA4s once the temperatures are consistently at or below 45. I believe those the PA4s are very close to being true 4-season tires. However, the latest summer tires are Pirelli PZ4. I got them based on their wet performance, but at most any moderate temperature, like around 60(!), they exhibit that full-lock slow speed skipping, and under hard acceleration exhibit severe axle tramp. Very surprising to have tramping on a rear weight-biased vehicle.* I will likely go back to the Goodyears with the next 4-tire changeout. I wouldn't dare drive the Pirellis in snow, and the Pirelli warning about near-freezing tread cracking is literally alarming.
* Insofar as to why the Boxster breaks loose, but not a more powerful 911, consider that one great advantage 911s have had in racing is the ability to put power down coming out of a turn because of the increased weight (pressure/force/vector?) on the rear tires. However, I believe the latest RSRs have become mid-engined in order to take advantage of bigger, more effective rear diffusers.
Original Message
Author: Laz
Date: December 23, 2019 08:33AM
Some summer tire experiences in cold and/or snowy weather
My 01 base Boxster had Michelin Mxx3 tires. In April 2002, while driving through southern Wyoming, I hit a good-sized snow storm. The car felt a little loose in mostly loose, fresh snow and slush. I drove at about 40 in the right lane of I-80 with my blinkers on, and somehow made it out of the mountains without breaking loose. The snow had stopped by the time I got to I-15 in Utah, and actually drove back into the mountains and stayed at the nice hotel in Bryce Canyon.
My 13 Boxster S was OE'd with Goodyears, which could tolerate cold surfaces pretty well, but I do switch to Michelin PA4s once the temperatures are consistently at or below 45. I believe those are very close to being true 4-season tires. However, the latest summer tires are Pirelli PZ4. I got them based on their wet performance, but at most any moderate temperature, like around 60(!), they exhibit that full-lock slow speed skipping, and under hard acceleration exhibit severe axle tramp. Very surprising to have tramping on a rear weight-biased vehicle.* I will likely go back to the Goodyears with the next 4-tire changeout. I wouldn't dare drive the Pirellis in snow, and the Pirelli warning about near-freezing tread cracking is literally alarming.
* Insofar as to why the Boxster breaks loose, but not a more powerful 911, consider that one great advantage 911s have had in racing is the ability to put power down coming out of a turn because of the increased weight (pressure/force/vector?) on the rear tires. However, I believe the latest RSRs have become mid-engined in order to take advantage of bigger, more effective rear diffusers.