Those with tire pressure monitoring systems..
Those that have tire pressure monitor systems, if you air up to max, say 80psi or in my case 110psi. on a cold tire, On a trip how much of an increase can I expect in tire pressure after driving all d...
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Then both probably would need higher cold pressure so pressure rising will stay below 10% . For example your 110 psi of car highen up to 120 psi then probably warm will get 120+10% = 132 psi and the trailer from 120 to 130 psi then +10% gives 143 psi.
Yust an example , to find the exact save lowest pressure you should use my made Motorhome or Travel/Trailer tirepressure/calculator.
The Michelins in Europe use 8.5 bar = 123,28 psi converted so J load is mostly given AT-pressure of 125 psi.
A 10 psi higher pressure then AT-pressure is allowed by most Tyre-makers for LT.
But for your J rated and also the H rated , wich can be called Truck-tires even 20 psi above AT is allowed by them.
This gives lesser deflection so lesser bending of the rubber so lesser heatproduction so lower temperature in the tire.
And what its done for is to take care that no part of the rubber of tire reaches a sertain temperature ( My quess 130dgr C/??F) at wich the rubber hardens and damaged by next bendings.
This is probably the cource of your every year a degree higher warm temp. Some parts are getting to hot already and harden wich makes also the heatproduction at same deflection a bit higher.
Yust an example , to find the exact save lowest pressure you should use my made Motorhome or Travel/Trailer tirepressure/calculator.
The Michelins in Europe use 8.5 bar = 123,28 psi converted so J load is mostly given AT-pressure of 125 psi.
A 10 psi higher pressure then AT-pressure is allowed by most Tyre-makers for LT.
But for your J rated and also the H rated , wich can be called Truck-tires even 20 psi above AT is allowed by them.
This gives lesser deflection so lesser bending of the rubber so lesser heatproduction so lower temperature in the tire.
And what its done for is to take care that no part of the rubber of tire reaches a sertain temperature ( My quess 130dgr C/??F) at wich the rubber hardens and damaged by next bendings.
This is probably the cource of your every year a degree higher warm temp. Some parts are getting to hot already and harden wich makes also the heatproduction at same deflection a bit higher.
