Tire theory summarized talking about Nitrogen Snake Oil

The AutoExpertTV dude John Cadogan uses some rather ‘colorful’ expressions as is his wont but the YouTube lecture on the Top 10 reasons not to put nitrogen in your tyres (yeah, he’s an Aussie so he can’t spell tires right) has some good stuff about tires. It is interesting that he gathered nearly 10% dislikes but then there are a lot of folks out there that are addicted to their particular snake oil ranging from Agent Orange to the Vegetarian Free Range Natural Chickens. 

Cadogan gets into the actual measure and is good for several examples of the ideal gas law as well as the relevance of precision in tire matters.

Note that here in the U.S. Costco usually fills tires with Nitrogen. The saving grace is that they don’t charge extra for it and their tires and installation services are usually at good prices. Costco also has a note on their warranty information and window sticker to check lug nut torque after 40 miles or so. That is good advice.

I got into some of these issues recently contesting the idea that 20% of trailer owners found that Goodyear Marathons suffered defects and failed. This was while standing next to a trailer whose owner hadn’t checked his tire pressure before heading out and had three at 2/3 proper pressure and one at half that. As Cadogan notes, most blowouts are due to low pressure and high speeds which heat the tire. That is why all cars since about 2008 are required to have tire pressure monitoring as the government gave up on driver responsibility in tire pressure checking.

TireRack.com has a lot of articles about tires including one on the use of Nitrogen. They say the same thing Cadogan does (but with a bit less color).

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