Quote:
Originally Posted by Ryland
Tirerack.com did some tests a few years back with tire pressure and traction on snow, they found that with low pressure they lost traction and recommended full pressure.
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I had a look at Tirerack.com but I could not see the test you mention. Do you have a link to it? The result directly contradicts my own experience and I would like to look at the test to try and understand how/why they reach that conclusion.
One issue is that winter conditions can vary so much - far more than summer conditions. Perhaps in fresh deep snow higher pressures may be better; I am not sure on that and have never tested it. For packed snow or ice I have always found low pressures to provide much better traction.