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SN95 Cobras
Pic Request: Rio Red W/ Cobra R's... What's the best size for open tracking?
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<blockquote data-quote="Ciotti" data-source="post: 10669678" data-attributes="member: 38456"><p>That's not true at all, it absolutely matters... I wouldn't be surprised if an extra 30 pounds of unsprung weight made a car at least a full second slower on most road race tracks. Extra unsprung weight makes cars handle noticeably worse especially over rough surfaces which is where the majority of the lost time will come from but it also sucks power because it's harder to turn them which if you make up for with more horsepower then makes the brakes work harder.</p><p></p><p>Reducing unsprung weight is one of the more important things when building a track day car if you want to go fast and the rule of thumb is to run the smallest wheel you can for the brakes that you have chosen which in our case is a 17" wheel.</p></blockquote><p></p>
[QUOTE="Ciotti, post: 10669678, member: 38456"] That's not true at all, it absolutely matters... I wouldn't be surprised if an extra 30 pounds of unsprung weight made a car at least a full second slower on most road race tracks. Extra unsprung weight makes cars handle noticeably worse especially over rough surfaces which is where the majority of the lost time will come from but it also sucks power because it's harder to turn them which if you make up for with more horsepower then makes the brakes work harder. Reducing unsprung weight is one of the more important things when building a track day car if you want to go fast and the rule of thumb is to run the smallest wheel you can for the brakes that you have chosen which in our case is a 17" wheel. [/QUOTE]
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Pic Request: Rio Red W/ Cobra R's... What's the best size for open tracking?
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