Stock Car Racing Magazine – SCR has received many questions regarding the #24 teams use of nitrogen in their tires, many thinking this is itself illegal in NASCAR´S eyes. The fact is all teams use nitrogen in their tires, with NASCAR´s full knowledge. Normal compressed air contains enough humidity (moisture) to greatly increase the amount of pressure gain when the tire heats up. Nitrogen is essentially “dry” making the actual pressure change between cold and hot tires much more predictable. In this regard, the # 24 team is just going along with the crowd. Jayski Note: When I was in the Air Force working on the C-5A we used Nitro in the tires of the aricraft for the same reasons.(9-10-98)
