Nitrogen option but only on two tires ? ? ?
O.K. so I'm about to pick up two new tires already filled with nitrogen for my 5th. wheeler. Question is; should I ask that that gas (nitrogen) be removed and replaced with ordinary air - to be the s...
Forum Discussion
wolfe10 wrote:Terryallan wrote:
IF you really want to improve anything. Put Helium in the tires. that will make them lighter, and get you better MPG.:B
Suspect that was meant as a joke-- no problem.
But the He molecule is very small and would more easily migrate through rubber than air (78% N) or pure N. Said another way, you would be checking and filling them more frequently.
It is NOT pure. They do not evacuate the air before installing it . That means that an air filled tire,will lose the oxygen first, and with each sucessive topping off, its nitrogen level,will increase, quickly closing the gap until,they are virtually the same.
That is why it is a marketing gimmick.
If one has extra money to spend on tires, spend it on better tires, and use free air.
