I have 2 cars and my boy has 1, they all have different motors. My boy has an HPI Sprint with whatever the standard motor is that they come with? My Sprint has a flux shot motor, they call it the same as a 9T but its a small rotor motor and a little less powerful than the standard 540 HPI motor. My Xray T4 has a 6.5T motor but like both the others is only running a cheap 60A sensorless controller so is not quite as quick as it could be.
Terry
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