A guy I know said some 'special tires' run low/flat in this very cold weather. He said when he was in Alaska they would put some Nitrogen, a little bit of Nitrogen, in the tires and that helped to keep the tires from running low.
BS. The reason nitrogen is used in racing is because it has a known expansion rate, is inert, and it's cheaper than exotics. Plus they use it in the rattle guns.
Adding a "little bit" is like dumping a 55 gallon drum of fresh water in the ocean.
"Standard Dry Air"
Nitrogen 78 % Oxygen 20 % Argon 0.9340 % Carbon dioxide 0.0397 % Neon 0.001818 % Helium 0.000524 % Methane 0.000179 %
all tires will lose pressure when the temperature drops.
The real advantage to nitrogen is the lack of water in it. The more water content in the air used in your tires, the more dramatic this effect will be (and the more the pressure will rise when they get hot.)
nate
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