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SVT Shelby GT500
2.6pulley/10%Crankpulley Owners Chime in.
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<blockquote data-quote="jcthorne" data-source="post: 9997695" data-attributes="member: 41108"><p>Steggy machined the snout and supplied the pulley. Been on there well over 2 years now. If any combo was going to slip because of the belt, it would be that tiny 2.2 pulley. It does not.</p><p></p><p>The problem is the aluminum IW lower pulley guys. You don't need or want more tension on the belt. You need a steel pulley for the rubber belt to grab on to rather than aluminum for it to slide on. The coefficient of friction between rubber and steel vs aluminum is VERY different. And when it does slip, aluminum dust coats the belt which is a very efficient lubricant.....making the problem worse.</p></blockquote><p></p>
[QUOTE="jcthorne, post: 9997695, member: 41108"] Steggy machined the snout and supplied the pulley. Been on there well over 2 years now. If any combo was going to slip because of the belt, it would be that tiny 2.2 pulley. It does not. The problem is the aluminum IW lower pulley guys. You don't need or want more tension on the belt. You need a steel pulley for the rubber belt to grab on to rather than aluminum for it to slide on. The coefficient of friction between rubber and steel vs aluminum is VERY different. And when it does slip, aluminum dust coats the belt which is a very efficient lubricant.....making the problem worse. [/QUOTE]
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2.6pulley/10%Crankpulley Owners Chime in.
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