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<blockquote data-quote="NXR71" data-source="post: 24081" data-attributes="member: 6892">So what exactly does that &quot;maximum pressure&quot; that is molded into the tire sidewall mean?Because it is not the maximum pressure that should ever be in the tire.The pressure molded into the tire sidewall means &quot;This tire needs this much pressure in the tire WHEN COLD in order for the tire to support its maximum design weight. Increasing the COLD pressure above this will NOT allow the tire to support more weight safely.&quot;Because it's the air pressure that supports the weight. The rubber just hold the air in.It is NEVER the maximum pressure that should be in the tire when the tire is above the ambient temperature. Those pressure increases are normal and expected and handled in the design as long as the tire is not overloaded or under-inflated.&quot;COLD&quot; simply means the tire has not been driven on for hours and the sunlight has not warmed the tires. COLD is NEVER a specific temperature. No, it is not 68 F.</blockquote>

[QUOTE="NXR71, post: 24081, member: 6892"] So what exactly does that "maximum pressure" that is molded into the tire sidewall mean? Because it is not the maximum pressure that should ever be in the tire. The pressure molded into the tire sidewall means "This tire needs this much pressure in the tire WHEN COLD in order for the tire to support its maximum design weight. Increasing the COLD pressure above this will NOT allow the tire to support more weight safely." Because it's the air pressure that supports the weight. The rubber just hold the air in. It is NEVER the maximum pressure that should be in the tire when the tire is above the ambient temperature. Those pressure increases are normal and expected and handled in the design as long as the tire is not overloaded or under-inflated. "COLD" simply means the tire has not been driven on for hours and the sunlight has not warmed the tires. COLD is NEVER a specific temperature. No, it is not 68 F. [/QUOTE]

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