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Tire Pressure



 
 
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  #11  
Old May 3rd 05, 08:52 PM
tricky
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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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