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SVT Shelby GT500
shelby gt500 12.48@110
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<blockquote data-quote="Purvis" data-source="post: 4008844" data-attributes="member: 29683"><p>Fourcam,</p><p>I dont understand how you can believe that rolling resistance is not a factor with tires in drag racing. Why do you think people blow up their front radials with extra air?? </p><p></p><p>Beyond a doubt, a barely inflated ET street tire (with like 12-15lbs of air) is going to be generating much more friction while turning at 120mph (hundreds of revolutions pers second) than a radial tire with 40lbs of air. This is known as rolling resistance. And it is one of the reasons why "skinnies" allow cars to go faster. (As you mentioned, weight is also a large factor, but not the only factor). Rolling resistance also is why radials tires that are over inflated are easier to "turn" (create less drag/friction) than normally inflated radial tires. </p><p></p><p>I would not presume to EVER lecture you on :bowdown: engines, however, when it comes to racing I do have a bit of experience. :beer: Im not trying to be smartass or a know it all.. This is just information generally excepted as fact.</p></blockquote><p></p>
[QUOTE="Purvis, post: 4008844, member: 29683"] Fourcam, I dont understand how you can believe that rolling resistance is not a factor with tires in drag racing. Why do you think people blow up their front radials with extra air?? Beyond a doubt, a barely inflated ET street tire (with like 12-15lbs of air) is going to be generating much more friction while turning at 120mph (hundreds of revolutions pers second) than a radial tire with 40lbs of air. This is known as rolling resistance. And it is one of the reasons why "skinnies" allow cars to go faster. (As you mentioned, weight is also a large factor, but not the only factor). Rolling resistance also is why radials tires that are over inflated are easier to "turn" (create less drag/friction) than normally inflated radial tires. I would not presume to EVER lecture you on :bowdown: engines, however, when it comes to racing I do have a bit of experience. :beer: Im not trying to be smartass or a know it all.. This is just information generally excepted as fact. [/QUOTE]
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shelby gt500 12.48@110
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