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Ok checked today.
I was way off on the max pressures !!! My bug/beetle tyres have a max PSI of 44 and my bus 65. Still more than 35 though :-) Rich tricky wrote: > I may have been wrong for years... I learned ( I think from the AA > (AAA) ) that before a long journey, to put a couple of extra pounds in > your tyres. When they warm up, they soften and need more air. > > As for loading up your car, 'my' thoughts were, a given volume of air in > a given space, give a constant pressure. For it to go up 'much' when > you load the car, you would have to see a serious flat spot (less space) > on the bottom of the tyre. > > I havent looked recently, but I thought the MAX pressure was like 135psi > or something way up there ? > > Just my thoughts > > Rich > > Dan Smith wrote: > >> "Joey Tribiani" > wrote in message >> news:f7Cde.1260$sy6.76@lakeread04... >> >>> "Dan Smith" > wrote in message >>> news:bIyde.42166$r53.25669@attbi_s21... >>> >>> > > >>> >>>> GEEEEZ!!! You're running at 35psi all the way around??? Are you >>>> suicidal??? >>>> >>>> You're tires are probably rated at a maximum of 35psi. That's fine if >>>> you're just going to leave it parked in the garage or in the shade. >>>> >>>> You put yourself in the car and the pressure goes up. You drive for >> >> >> more >> >>>> than a couple of minutes and the pressure goes up more. You're >>>> probably >>>> driving around with close to 38psi in tires rated at 35psi. >>>> >>>> Where in the world did you get the idea that this was an OK thing to >> >> >> do??? >> >>>> Why are you intentionally ignoring the safety ratings of your tires and >>> >>> >>> the >>> >>>> car manufacturers recommendations??? >>>> >>> >>> >>> dude calm down..its obvious you are no tire tech so maybe read your >> >> >> sidewall >> >>> sometime...the max psi is listed as a cold temp....this pressure is set >> >> >> with >> >>> a tollerance for an increase in pressure due to heat....it is not >>> uncommon >>> to gain up to 5-6 psi in summer weather on the interstate, and the tire >>> manufacturers know it.....so don't have a stroke, your point is not only >>> wrong, but basically pointless....(BTW "put yourself in the car the >> >> >> pressure >> >>> goes up" is incorrect too...the max weight is also what the max pressure >> >> >> is >> >>> designed for...sheesh...) >>> >>> >> >> >> Oh, and the max pressure isn't listed as a cold temp, it's listed as a >> max >> pressure. Max means max. >> >> The normal car manufacturer's tire pressure recommendation is the cold >> inflation pressure you're thinking of. >> >> Yes, while driving it's not uncommon for the tire to gain pressure in the >> summer weather or in cold weather either. And that was my point. If >> someone is foolish enough to air up their tires to the maximum then they >> have no leeway for normal pressure increases due to load and friction. >> >> You also said, ""put yourself in the car the pressure >> goes up" is incorrect ". >> >> Who are you trying to BS? Of course the tire pressure goes up as the >> load >> increases. You're talking nonsense. >> >> Since you don't think tire pressure goes up as the load goes up you >> definitely don't know what you're talking about. >> >> If I air up my tires to the car manufacturer's recommended pressures and >> then I put 400 pounds of people in the car obviously the tire pressure >> goes >> up. >> >> |
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