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Old 08-05-2012, 10:11 AM
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mooby64
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I will be trying a 4200 40c shorty pack in a 17.5 TC5, on a HUGE track. I know that a 21.5 set up will use about 1800mah, during a 6 min. race, so the 4200 should be fine with the 17.5.
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