Saturday, Jan 19, 2008 at 10:48
I am only repeating what the manufacturers of my tyres told me.
Everyone is free to do what they like with their tyres. I decided to ring the manufacturer of my tyres after a tyre service inflated my new tyres to a pressure way above what was recommended by the manufacturer of the car. When I questioned the pressures they looked surprised and suggested the factory pressures must be wrong.
I had noticed in the owner's handbook that two identicle size tyres, but with different load ratings, were listed as standard equipment. There were considerable differences in the recommended pressures.
The tyre service pressures did not comply with either recommendation so they left me with little confidence in them.
The tyre manufacturer's adviser must have had little to do the day I rang him because we spoke for about 15 minutes. This man even had his own 4b. It is amazing what you can learn about tyres when you speak to a tyre engineer who has been involved it tyre testing programes that included testing them to destruction out in the bush.
By the way can you tell me, in regard to tyre temperatures, how hot is too hot and how do you accurately measure it?
Brian
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