Tire Pressure
04-15-2008, 11:15 AM
#21
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Join Date: 08-18-2006
Location: Hatboro, PA
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Last edited by GCarp; 04-15-2008 at 11:17 AM. Reason: added link
04-15-2008, 12:02 PM
#24
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Join Date: 03-27-2008
Location: New Mexico
Posts: 132
Ya, 30psi is the cold pressure you set it to after the car has been sitting. However since the weather is warming up now, if you inflated to 30 in winter it may have gone up a few psi, and you should recheck and let some out if needed.
I filled my tires on the last really cold day and two weeks later I had to let out about 4psi.
I filled my tires on the last really cold day and two weeks later I had to let out about 4psi.
"They" say the same effect happens when fueling. If your inthe time of year where you have a significant temperature change from evening to day like spring or fall, If you fuel up at night, the volume wil increase when it gets warmer
04-15-2008, 12:12 PM
#25
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Join Date: 02-17-2008
Location: minneapolis
Posts: 58
Tire pressure is generally based on vehicle weight and NOT specific tires. The rating on the tire specifies a MAXIMUM psi rating, not a recommended rating. The vehicle will almost always drive best within a pound or two of the pressure on the door sticker, regardless of the tire choice. There are exceptions, of course.
04-15-2008, 04:14 PM
#26
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Join Date: 11-23-2007
Location: Texas
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All Chevrolets except some of the Aveos have tires that are built to GM's specs. GM specs out the tires and then tells the manufacturers what they want. You can always tell a GM spec'd tire by the letters TPC with 4-5 digits after it on the sidewall. TPC stands for Tire Production Criteria and the digits after that are GM'S code for that spec. This is why GM didn't have the fiasco that Ford had on blowouts and too low of PSI in the tires.
Last edited by ChevyMgr; 04-15-2008 at 07:53 PM. Reason: Reason for Editing
04-15-2008, 06:03 PM
#28
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Join Date: 11-23-2007
Location: Texas
Posts: 8,210
Okay with me. 
But seriously it really comes down to owners and not just Ford owners checking their OWN tires for proper inflation. Fords mistake was stating the air pressures should be lower then what the tire maker (Firestone) stated they should be. But too many people are either too lazy or too uninformed or both and so here we are.
Or maybe we should blame it on big oil companies. When gas stations went to self service we lost a lot in my opinion.
But seriously it really comes down to owners and not just Ford owners checking their OWN tires for proper inflation. Fords mistake was stating the air pressures should be lower then what the tire maker (Firestone) stated they should be. But too many people are either too lazy or too uninformed or both and so here we are.
Or maybe we should blame it on big oil companies. When gas stations went to self service we lost a lot in my opinion.
Last edited by ChevyMgr; 04-15-2008 at 07:51 PM. Reason: chevyhhr.net lets me
04-15-2008, 06:13 PM
#29
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04-15-2008, 06:30 PM
#30
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Join Date: 03-27-2008
Location: Blue Springs Missouri
Posts: 471
i agree with you chevymgr .....
when the gas station went to self serve.....things started going down hill.
remember when gas war was when you lowered the price.... to beat the other guy.. now gas war means you RAISE before the other guy...
when the gas station went to self serve.....things started going down hill.
remember when gas war was when you lowered the price.... to beat the other guy.. now gas war means you RAISE before the other guy...