Originally Posted by suicideneil

100% impossible.

The brake mechanism is built into the tranny case on the tmaxx and revo, but the emaxx has no such mechanism- it uses motor braking as its a purely electric vehicle, not a nitro conversion.

If you could shoe-horn in a revo or tmaxx tranny, and link up a brake servo in place of one of the steering servos (or shift servo even), then you might have something....