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Tire Pressure



 
 
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  #1  
Old May 2nd 05, 04:53 PM
Lynn Martin
external usenet poster
 
Posts: n/a
Default Tire Pressure

I just got some new Kuhmo Tires, 165/80/15, (great deals for $26 a piece on
the net!) for my 1974 Superbeetle.

Anyhow, I am going to get them mounted/etc. The "recommended tire
pressure" listed on the glove compartment door says Front - 18 psi and Rear
29 psi. This seems too low to me, especially in the front tires.

Just wondering what pressures everyone else is running in a stock size tire?

Lynn
1974 Super


  #2  
Old May 2nd 05, 06:00 PM
Hal
external usenet poster
 
Posts: n/a
Default

> I just got some new Kuhmo Tires, 165/80/15, (great deals for $26 a
piece on
> the net!) for my 1974 Superbeetle.
>
> Anyhow, I am going to get them mounted/etc. The "recommended tire
> pressure" listed on the glove compartment door says Front - 18 psi

and Rear
> 29 psi. This seems too low to me, especially in the front tires.
>
> Just wondering what pressures everyone else is running in a stock

size tire?

On my 74 super I usually run 35psi all around. I probably have the
fronts a little over-inflated, but I have never noted any abnormal wear
so I just leave it at 35.

I think(I could be mistaken) that the pressures listed on the glovebox
door are for bias-ply tires. All I've ever run is radial tires.

Chris

  #3  
Old May 3rd 05, 12:28 AM
Dan Smith
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Posts: n/a
Default


"Hal" > wrote in message
oups.com...
> > I just got some new Kuhmo Tires, 165/80/15, (great deals for $26 a

> piece on
> > the net!) for my 1974 Superbeetle.
> >
> > Anyhow, I am going to get them mounted/etc. The "recommended tire
> > pressure" listed on the glove compartment door says Front - 18 psi

> and Rear
> > 29 psi. This seems too low to me, especially in the front tires.
> >
> > Just wondering what pressures everyone else is running in a stock

> size tire?
>
> On my 74 super I usually run 35psi all around. I probably have the
> fronts a little over-inflated, but I have never noted any abnormal wear
> so I just leave it at 35.
>
> I think(I could be mistaken) that the pressures listed on the glovebox
> door are for bias-ply tires. All I've ever run is radial tires.
>
> Chris
>


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???


  #4  
Old May 3rd 05, 02:04 AM
Shag
external usenet poster
 
Posts: n/a
Default

On Mon, 02 May 2005 23:28:07 GMT, "Dan Smith" >
wrote:


>
>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???
>


Calm down, dude!!! Next step is for your post to be in ALL CAPS!!!
When you use multiple !!!!!!!s and ?????s you come off as frantic
and/or annoying!!! NOW EXCUSE ME WHILE I GO PUMP MY TIRES UP TO 40
PSI ALL AROUND!!!
ps- You misspelled "your."
Think about it... "you're" = "you are"
"You are tires are probably rated at....."
Question: Does that make sense?
Answer: No.

"Stupid people are funny." - me
  #5  
Old May 3rd 05, 04:21 AM
Joey Tribiani
external usenet poster
 
Posts: n/a
Default


"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...)


  #6  
Old May 3rd 05, 04:42 AM
Dan Smith
external usenet poster
 
Posts: n/a
Default


"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...)
>
>


So Joey, are you saying the tire manufacturer knows more about the air
pressure I should have in my tires than the car manufacturer knows? Hardly!

My point is 35psi is a lot of pressure over the recommended front tire
pressure on the car. Are you saying this is OK? Because it's not. It's
flat out dangerous. It's almost double the recommended pressure. It's
unsafe. It's WRONG!

So don't tell me my point is wrong.


  #7  
Old May 3rd 05, 10:08 PM
Joey Tribiani
external usenet poster
 
Posts: n/a
Default


"Dan Smith" > wrote in message
news:qqCde.43596$c24.10859@attbi_s72...
>
> "Joey Tribiani" > wrote in message
> news:f7Cde.1260$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...)
> >
> >

>
> So Joey, are you saying the tire manufacturer knows more about the air
> pressure I should have in my tires than the car manufacturer knows?

Hardly!

learn to comprehend what you read...i never said anything remotely similar
to what you said above...

>
> My point is 35psi is a lot of pressure over the recommended front tire
> pressure on the car. Are you saying this is OK? Because it's not. It's
> flat out dangerous. It's almost double the recommended pressure. It's
> unsafe. It's WRONG!
>
> So don't tell me my point is wrong.
>
>


your point was wrong...exactly what i responded to was wrong....couldn't get
anymore wrong...re-read it and don't take it personal...ignorance is lack of
knowledge and apparently when it comes to tires you do lack that
knowledge...putting weight in the vehicle will not increase pressure....and
every "point" i wrote is true and verifiable....and as i said read the side
of tires sometime you may be enlightened....


  #8  
Old May 3rd 05, 05:33 AM
Dan Smith
external usenet poster
 
Posts: n/a
Default


"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.


  #9  
Old May 3rd 05, 08:58 AM
tricky
external usenet poster
 
Posts: n/a
Default

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.
>
>

  #10  
Old May 3rd 05, 10:08 PM
Joey Tribiani
external usenet poster
 
Posts: n/a
Default


"Dan Smith" > wrote in message
news:WaDde.42812$r53.30945@attbi_s21...

> Oh, and the max pressure isn't listed as a cold temp, it's listed as a max
> pressure. Max means max.


*before* you try to "call someone out" you should study up....i was
certified years ago for suspensions....alignment/brakes/tires/etc...i have
been to school and trained....the max pressure is measured at ambient
temperature, I.E. *COLD*....
>
> The normal car manufacturer's tire pressure recommendation is the cold
> inflation pressure you're thinking of.


no buttlips it is a "standard"....just as you do not check your engine oil
with the engine runing you check air pressure "cold"...
>
> 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.


load does not increase pressure....not air pressure...surface pressure yes,
but not the internal air pressure

>
> 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.


i'm talking from education and training...you are spouting off bull****....

>
> 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.
>


there are two ways to increase pressure...to add it(through more air or
heat ) or to make the space smaller....you will not resize your tires by
adding weight...you only displace air in the tire from one area to another
when it is loaded down....so to quote you "you definitely don't know what
you are talking about"....get educated before you spout off...


 




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