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Hot Bodies D413 1/10 4WD Buggy
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05-21-2014, 06:48 PM
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yzracer758
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Quote:
Originally Posted by
Mopar
That's why the 13mm rotor to reduce rpm and increase torque hence the bigger pinion. But yes SDRC track is quite large.
Ty ran a 21 at worlds with a 5.5, and a 13mm rotor isn't going to require more then a tooth or two.
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