Tire pressure
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Tire pressure
Just got 4 Cooper 215/70/15 Weathermaster s/t2 mounted. Just wonder what is the correct air pressure to use?
Last edited by mhjo; 10-27-2012 at 05:15 AM.
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Start with the recommended pressure on the door jamb.
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Originally Posted by cruiser54
Start with the recommended pressure on the door jamb.
In otherwords, look for concensus, one anecdotal answer may not be correct.
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Its safer to go by what the tire says vs the door,The reason i say that is remember the big firestone ford lawsuit about the ford explorers blowing tires and rolling?Ford said to run less air pressure so the explorer rode smoother but it caused extra wear on the edges of the tire leading to the blow outs.
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Originally Posted by andrewmp6
Its safer to go by what the tire says vs the door,The reason i say that is remember the big firestone ford lawsuit about the ford explorers blowing tires and rolling?Ford said to run less air pressure so the explorer rode smoother but it caused extra wear on the edges of the tire leading to the blow outs.
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You should always go by what it says in your door jam. The number on the tire's sidewall is maximum PSI, and remember you're filling the tire cold. If you fill to max and then start driving around, it'll expand a bit.
If you're running a non-stock size, use the door's recommendation as your starting point and tweak from there.
The proper air pressure for Cooper tires is 0, as you should bring them back and get some tires that will actually balance well
If you're running a non-stock size, use the door's recommendation as your starting point and tweak from there.
The proper air pressure for Cooper tires is 0, as you should bring them back and get some tires that will actually balance well
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