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  • tyre load rating vs pressure?

    From Woozy Song@suzyw0ng@outlook.com to rec.autos.tech on Thu Sep 19 08:48:45 2024
    From Newsgroup: rec.autos.tech

    I bought one of those church-on-Sunday grandpa cars, and the tyres were
    8 years old, and the spare had never been used. So looked up what tyres
    I needed to buy. The tyre placard lists several options. Curiously, if
    92 load rating tyre is used, minimum pressure is 29 PSI, but if 95 load rating, minimum pressure is only 26 PSI.
    BTW since the car was made, it looks like load ratings have crept up.
    Nearly everything in my size is 99 load rating, only a few in 95.
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  • From AMuzi@am@yellowjersey.org to rec.autos.tech on Wed Sep 18 20:03:19 2024
    From Newsgroup: rec.autos.tech

    On 9/18/2024 7:48 PM, Woozy Song wrote:
    I bought one of those church-on-Sunday grandpa cars, and the
    tyres were 8 years old, and the spare had never been used.
    So looked up what tyres I needed to buy. The tyre placard
    lists several options. Curiously, if 92 load rating tyre is
    used, minimum pressure is 29 PSI, but if 95 load rating,
    minimum pressure is only 26 PSI.
    BTW since the car was made, it looks like load ratings have
    crept up. Nearly everything in my size is 99 load rating,
    only a few in 95.

    https://tiregrades.com/tire-anatomy/tire-size/tire-load-ranges/
    --
    Andrew Muzi
    am@yellowjersey.org
    Open every day since 1 April, 1971
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