Quote:
Originally Posted by n55x3
40 psi is fine if that is not exceeding the max PSI on the tire sidewall. Your tire won't explode. I've been keeping our regular Goodyear RFTs right at 40 psi too. It offers a slightly stiffer ride but I like it that way and it also can offer a slight MPG improvement.
lbjgh, you can definitely top off a nitrogen filled tire with regular compressed air, no worries there at all. When it's convenient you could just have the tire purged and refilled with all nitrogen if you desired but if you're just topping it off I honestly wouldn't worry about it too much.
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n55x3, thanks a lot for the kind info!