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Old 08-29-2009, 04:44 PM
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dcdoug dcdoug is offline
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Join Date: Apr 2009
Location: Bethesda, MD
Cobra Make, Engine: CSX 6022, navy blue, period correct 427 SO
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I have a TKO 600 and the white 17 tooth speedometer gear. My speedo reads 4-5mph too slow. Do I need to go down to a 16 tooth or 15 tooth gear (not sure they make a 15 tooth gear). I have read that the speed increase is 2.5-5mph per tooth, depending on which post i read. Does anyone know which is right? Can anyone post a link of which one I need and where to get it?

Thanks!
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