Thursday, May 22, 2014 at 09:40
Boobook and Alby,
Not everyone has TPMS, and the
4PSI rule is ONLY a guidline. It has been used for many, many years without any issues.
Quite simply after an hours driving, if as you say the left hand side is in the sun and has a tyre pressure 6psi over the start pressure and the right only
4psi then all is right with the world, on average, if the left is
4psi in the sun and the right only 2psi then he tyre presure needs to go up. Not rocket science or a myth.
So the question is now you have TPMS do you stop and change tyre pressures when the sun hits one side or the other side, because the
4psi rule ignores the "real world"?
Or do you just set your tyres to your 'deemed' pressure and ignore the differences, just like I would do with the 4 psi rule?
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