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Old 02-23-2011, 07:30 PM
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They are only marked for tooth-to-tooth position if they are a non-hunting gear set, i.e. the same pinion teeth always contact the same corresponding ring teeth. An example would be a 36-9 tooth count for a 4.00 ratio gear set or 39-13 for a 3.00 ratio set(not actual #'s, just examples)
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