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Advice on gauging Air Pressure for Tires

TehMac

TehMac

Diamond Member
Hi all, it's been a while since I last had my tires checked, and I noticed that a gas station near my flat is offering free air for car tires.

I have a pressure gauge, but I am unsure how to guage the correct air for car tires. Any advice?
 
There is a sticker on your car with the correct tire pressures. It's often on a door frame, but it could be elsewhere on your car.
 
LTC8K6 said:
There is a sticker on your car with the correct tire pressures. It's often on a door frame, but it could be elsewhere on your car.
Click to expand...

Sometimes it is on a lid where your put your gas in. 🙂

My usual setup is pumping about 2 or 3 PSI more than what is on the door frame or gas lid.
 
check your tires when cold. unscrew the cap and press the gauge firmly to the valve. your tire pressure will be displayed.
 
TehMac said:
Hi all, it's been a while since I last had my tires checked, and I noticed that a gas station near my flat is offering free air for car tires.

I have a pressure gauge, but I am unsure how to guage the correct air for car tires. Any advice?
Click to expand...

I find this entire thread impossible to believe...
 
TehMac said:
No, non-stock tires. Why I asked.
Click to expand...

That would have helped in your OP.

The tire itself lists it's max cold pressure. Obviously, you don't want to exceed that with the tires cold.

No car listed, and tires unspecified.

Anyone want to guess? 😀

I'll say 35psi cold.

If they wear out in the middle, lower it a little.

If on the edges, raise it a little.
 
JulesMaximus said:
I find this entire thread impossible to believe...
Click to expand...

TehMac said:
...why? I am not a tire expert, sorry. 😱
Click to expand...






I think the reason for the disbelief is simply because few expect a guy to state he doesn't know how to check the air pressure in his car's tires. *I expect that from a female, but from a guy? *


I think the almost universal expectation for guys is to be able to do basic maintenance on their own vehicles....such as check your own air pressure, change a flat tire, change your own oil (even if you don't do it personally every time, at least be able to do it if one has to), change wiper blades, change burnt out bulbs, change battery, jump start a car, etc.


I don't expect a woman or complete emo guys to be able to do anything other than start the car, put gas into it, and drive (point-and-hope) the thing.


But any guy worthy of keeping his man card should be able to do basic crap on his vehicle. *Not saying he has to always do it, just be capable of doing that sort of stuff if the need arises.*
 
also hasn't OP posted extensively about classic mustangs? I would have expected him to know how to check/adjust tire pressure.
 
vshah said:
also hasn't OP posted extensively about classic mustangs? I would have expected him to know how to check/adjust tire pressure.
Click to expand...


Almost positive he has... Sorta weird... It'd be understandable if it was a sorta funny maybe max sidewall parody, but this is bizarre.
 
I don't understand why people always say, "Look at the sticker."

Stock tires or not, just look at the max PSI and subtract a few. Check for even tread wear. Done.
 
Check the stickers on the frame of the driver's door. They usually list recommended tire pressures there. Doesn't matter too much if the wheels are not stock. It is the weight of the car/load that matters.
 
Safeway said:
I don't understand why people always say, "Look at the sticker."

Stock tires or not, just look at the max PSI and subtract a few. Check for even tread wear. Done.
Click to expand...

I'd rather look at the sticker and come much closer to where I need to be on the first go around, rather than try to guess based on the max sidewall pressure, which can vary greatly based on the tire (yet the ideal inflation pressure of a tire on a vehicle will not vary as greatly as the max sidewall).
 
sometimes the tire manufacturer has recommended pressures for a specific automobile, you can try checking their website. I've seen a few cases where this differed from the door jamb sticker.
 
Safeway said:
I don't understand why people always say, "Look at the sticker."

Stock tires or not, just look at the max PSI and subtract a few. Check for even tread wear. Done.
Click to expand...

My tires say max is 44psi

Mfg says to keep them at 33psi

Quite a bit more than a few psi...
 
LTC8K6 said:
My tires say max is 44psi

Mfg says to keep them at 33psi

Quite a bit more than a few psi...
Click to expand...

My point is, once you put different tires on a car, the door jam information is useless.

Look at the tire, inflate to a pressure under the Max PSI. Check for even wear. Adjust.

Blindly following the door jam information is just as ignorant as inflating to Max PSI.
 
Safeway said:
My point is, once you put different tires on a car, the door jam information is useless.

Look at the tire, inflate to a pressure under the Max PSI. Check for even wear. Adjust.

Blindly following the door jam information is just as ignorant as inflating to Max PSI.
Click to expand...


We've done this 100x times already; but bolded is false and can be just as dangerous as an underinflated tires - particularly with modern TC and stab control systems.


You should use the doorjamb as a guide and starting point. Maybe add a few psi - like 3 or 4, with new tires and check wear patterns. Going by sidewall as a baseline is wrong.
 
SpatiallyAware said:
We've done this 100x times already; but bolded is false and can be just as dangerous as an underinflated tires - particularly with modern TC and stab control systems.


You should use the doorjamb as a guide and starting point. Maybe add a few psi - like 3 or 4, with new tires and check wear patterns. Going by sidewall as a baseline is wrong.
Click to expand...

Agree to disagree.
 
Safeway said:
My point is, once you put different tires on a car, the door jam information is useless.

Look at the tire, inflate to a pressure under the Max PSI. Check for even wear. Adjust.

Blindly following the door jam information is just as ignorant as inflating to Max PSI.
Click to expand...

My car has different tires than stock. The mfg put an extra sticker on the door jamb for the different tires...

At any rate, the OP didn't say squat about non-stock tires until well into the thread...
 
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