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shane_3800
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Most cars are recomended 34-36, most cars at work come in well below that so I set them at 40.
If you make sure to regulary set the pressures I would try 38 and see how the tyres wear. If you're getting a bit of edge wear try 40.
All pressure is in pounds per square inch.
Thanks.
Shane.
If you make sure to regulary set the pressures I would try 38 and see how the tyres wear. If you're getting a bit of edge wear try 40.
All pressure is in pounds per square inch.
Thanks.
Shane.
vr304
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275/30 and 245/35 in 20 inch on my ve and set them at 39 psi
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40 PSI in original 18s on VE, and check them monthly.
Don't forget the spare. 50 PSI is good in that.
Don't forget the spare. 50 PSI is good in that.
shane_3800
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What do you mean? As in over inflation? If so max pressure for a car tyre is on the side wall and most commonly is 55psi. There will be a safety factor before tyre failure. That is 55psi static when you drive the tyre warms up and the pressure rises. This is why you want to keep side wall flex at a minimum on commercial tyres as they get hot and can blow this is not really an issue for car tyres.
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Nobody is mentioning whether their pressures are taken hot or cold?
Like engine oil on a dipstick, tyre pressures change quite a bit with temperature. There's maybe 4 or 5 psi difference (depending on how much air vs how much rubber).
If you actually read the sidewall of any (most?) tyres they will tell you the maximum inflation pressure.
Andrew
Like engine oil on a dipstick, tyre pressures change quite a bit with temperature. There's maybe 4 or 5 psi difference (depending on how much air vs how much rubber).
If you actually read the sidewall of any (most?) tyres they will tell you the maximum inflation pressure.
Andrew