Originally posted by cashthetrash At just about any new car dealership. Or in truck stops where the professionals do it all the time. Costco will do it for free. Actually it isn't liquid Nitrogen that should be used though. Just Nitrogen. I have used it in my vehicles for years and haven't had a blowout since. I check my tires regularly though. many people say there is little advantage ...[text shortened]... tires? With nitrogen you will have a smoother ride which will allow more even wear on the tires.
Using Nitrogen instead of air is standard practice in racing.
The point was the "liquid".
The problem with oxygen is the power to oxygenate (make rust). The difference in diffusion coefficient through rubber is negligeable.