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Old 05-09-2010
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Big G Big G is offline
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Join Date: Apr 2009
Location: Lincoln
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I shimmed mine like you (3 and 4) and raced it twice a week for almost a year and never had any problems with killing gears. I often found dust in the housings though...

A friend didn't do 3/4 like us and he seemed to eat gears regularly
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