Eric,

I have experience with nitrogen filled tires on aircraft and can tell you that it certainly doesn't negate pressure changes with temperature. That's still something we deal with. I don't see any real value in using nitrogen in car tires.

Angus

> On Oct 17, 2015, at 2:32 PM, Eric Caron <ecaron1@COMCAST.NET> wrote:
> 
> Hi folks,
> 
> this time of year I have a hard time keeping my tire pressure content.  the temperatures outside vary greatly.
> 
>        I recently learned that a friend has a car with Nitrogen filled tires.  Is anyone doing this with your vanagon?  Do you have any benefits to report?  Will this help with content tire pressure and tire wear?
> 
> A little reading on google gave me different opinions on the value but it sounded like my needs would have the most benefit from a nitrogen fill.  that is a car  that is used infrequently, has low mileage on the tires, and thus would like the tires to last longer. 
> 
> I’m not sure how expensive it is to fill this way and would like to hear if anyone has experience.
> 
> Eric Caron  
> 85 GL Auto Westfalia 
> Currently at 51 PSI General Ultimax Tires 
> on plain old air