Is it safe to put Nitrogen in the tires of my 2004 Crossfire? Will I still be able to use the tirefix kit that came with the car.

 

Yes you can use nitrogen in your tires..... no advantage to using it though...

You would also be better off NOT to use the tire repair goo.... it will mess up your TPMS sensor and you will have to replace the tire... better to get one of the tire patch kits and use the pump to re-fill the tire and get to a tire shop for a proper inside the tire patch.....

 

Regular atmospheric air is 78% nitrogen, 21% oxygen and 1% argon -- so when you fill up at a pump or with your compressor, you're putting in over 3/4 nitrogen. There are claims that pure nitrogen is more stable, but I don't see how that extra 22% would make that much of a difference. But like MikeR said, if you get a flat, get it towed - you'll save $$$ by not having to replace your TPMS that was ruined by the fix a flat goo.

 

The tire fix kit that came with the car probably is no good. Way past the shelf life I would think. I've used Nitrogen in my previous car and it works quite well. And I always keep a tire repair kit in my car instead.

 

I would say that the main advantage of nitrogen is the fact that it is free of water. If the tire has water in it to start with there would be no benefit.

Some compressors have too much water in the air and this can build up over time.

If you get new tires, get the nitrogen for free by asking for it at the time of installation and then top up with normal air. With 100% nitrogen to start and then topped up with 78% nitrogen there will not be too much of any other gases in the tire. Make free nitrogen a condition of sale from the tire dealer, no free gas = no sale, they may change their mind quickly.

 

I'll preface this by saying that I do not have Nitrogen in my Crossfire, BUT I do in my Malibu. Before using Nitrogen I had an annoying very slow loss of pressure in one of the tires. Had to put air in about every 4 to 6 weeks. In reading about the chemical structure of Nitrogen (NO) and comparing it to Oxygen (O2), and having a chemist background, the NO molecule is larger than the O2 (structurally), and I surmised that the larger molecule may not leak as fast. I put the NO in the tires 2 yrs ago, and have had no leaks since. So ... in this regard I believe there is an advantage. Just my $.02

 

If what you read about nitrogen is true, then:
When the tire leaks, it should leak primarily oxygen and not Nitrogen, leaving a higher % of nitrogen. You refil with normal air, leaving the oxygen % lower than it was originally. Over time, The % of oxygen would get smaller and smaller if oxygen is more prone to leakage than nitrogen.

 

That's what i was thinking. Might as well huff and puff and fill it up with Carbondioxide though.