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We used a knife -edge crank in our 280-Z GT2 car for a few years. It proved to be a factor in more performance, as other mechanical factors remained the same. We ran National events at Lime Rock, Summit Point, Nelson Ledges, Watkins Glen, Loudon and Bridgehampton. The knife-edge crank was an expensive modification for our car. I can't offer the technical physics behind the performance increase, but it was notable for sure. We beat Paul Newman's Zcar at Lime Rock.
Last edited by endel; 02-20-2008 at 07:54 PM.
Reason: text change
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