Quote:
Originally Posted by JockoT
That is certainly the financial way to look at it.
Over the life of a set of tyres, I would have to make a fuel saving of 8% (55 to 59 mpg) to break even. Would I see that sort of improvement in my fuel usage by running at elevated pressures?
Mind you, any appreciable deterioration in tyre life would make even 8% uneconomical for me.
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Higher inflation pressures reduce wear by reducing deflection of the material and thus reducing frictional heating and degredation.
The downsides to higher inflation pressures are a harsher ride, obviously, and slightly less ulttimate grip.