Quote:
Originally Posted by aerohead
Factory pressures are set for braking bias,and determine whether the car will oversteer or understeer,once the limits of adhesion are reached.Carmakers like cars to break loose at the front first,then a simple steering input can restore direction.Altering pressures with indescretion could allow the car to swap ends violently ,when pushed in an emergency maneuver.Please don't gamble with your lives for the sake of a liter or gallon of fuel.
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Not that I don't agree with this statement, but the same industry also set FE standards that are inaccurate. You can take any vehicle and driving it sensibly with no mods and exceed its ratings. This is an industry that encourages wear and tear, it is how they stay in business. There is no money in the car that will not break down. Therefore I feel more confident stating that any part manufacturer will test and publish results for their product not to the most beneficial limits of the consumer but to the most beneficial limits of the manufacturer, ie to generate future revenue.
This post has gotten quite lengthy and the worst documented conclusion for overinflation is a higher probability for puncture due to debris.