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Originally Posted by Dervman
While I don't dispute your answer, I'm curious as to why most vehicle manufacturers give a "normal load" and higher "maximum load" tire pressure recommendation if there is only one correct maximum load pressure rating?
Is this just to provide greater comfort at the lower pressure at the expense of optimum tire performance?  |
yes. the tire pressure stipulated is supposed to give the best ride. best is subjective of course. best ride does not always correlate to highest load capacity.
think of it this way: you have a one tonne pickup which you use to tow your polo horses/ race car/ luxury barge/ whatever. its rec air pressure is 80psi for teh rear wheels.
that air pressure recommendation is considering a load for the capacity of the vehicle. its designed to tow ***** and carry loads. yours is designed to be nice quiet smooth luxury car.
ergo to increase your lads you add pressure. while the truck is best served by reducing pressure if you want to increase comfort.