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Old 11-04-2014, 05:57 PM
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mkiiina
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17.5 is considered "Stock"
13.5 is "Super Stock"
Anything lower than that is considered "Mod"

There are "Mod" motors for 17.5 that don't meet standard ROAR requirements (larger rotors, different magnetic material, larger wire, etc) so some care is needed.
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