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SVT Shelby GT500
shelby gt500 12.48@110
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<blockquote data-quote="broeli" data-source="post: 4009162" data-attributes="member: 4220"><p>I can't believe something that is common knowledge and so simple is being debated here. Go try to push a car with the tires half flat..then go and push it with them aired up. You will find it MUCH easier to push the car with high inflated tires. The same goes for tire width. Not only do skinny tires weigh less they also have less rolling resisitance due to less contact patch. A tire with more contact patch will have a higher roll resistance. The contact patch becomes less when they are overinflated. That's is why many people will overinflate the fronts at the drag strip and turn slightly better times. All simple, well known, tricks of the trade. </p><p>A slick or Et Street type tire will expand when the car accelerates creating less resistance than it would if it was pushed at a slow pace..but there is still some increased roll resistance. The air inside will expand causing higher tire pressure during the run but it won't be anymore than about 5psi.</p></blockquote><p></p>
[QUOTE="broeli, post: 4009162, member: 4220"] I can't believe something that is common knowledge and so simple is being debated here. Go try to push a car with the tires half flat..then go and push it with them aired up. You will find it MUCH easier to push the car with high inflated tires. The same goes for tire width. Not only do skinny tires weigh less they also have less rolling resisitance due to less contact patch. A tire with more contact patch will have a higher roll resistance. The contact patch becomes less when they are overinflated. That's is why many people will overinflate the fronts at the drag strip and turn slightly better times. All simple, well known, tricks of the trade. A slick or Et Street type tire will expand when the car accelerates creating less resistance than it would if it was pushed at a slow pace..but there is still some increased roll resistance. The air inside will expand causing higher tire pressure during the run but it won't be anymore than about 5psi. [/QUOTE]
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SVT Shelby GT500
shelby gt500 12.48@110
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