Here's a quick video on how I locked the rear diff in my HPI Sprint 2. There's many methods to lock a rear diff in a non-high torque vehicle, and with my method, it's pretty easy! Most efficient drift RC's need to have a locked rear diff to allow both rear wheels to spin continuously.

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Check out my entire series of converting an HPI Sprint 2 touring car into a decent drift car:

   • HPI Sprint 2 "Get My Drift"  

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