I would have to disagree to those who have given the Core good reviews. I tried the motor in numerous races and couldn't really find any strengths in it's powerband, it always felt flat, and its torque was unimpressive. I'd also stay away from the MVP, I haven't heard many good things about it and have heard it is prone to overheating. For super tight tracks, I'd recommend the P2k, as it is the stock motor torque king, and for medium to big tracks, I'd recommend a Monster Stock, because that motor can be tuned to RULE on tracks that are a bit more open. Good luck to your racing pursuits!
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