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DTM racer, how fast is that coreless motor? I would think that it would be almost too fast to handle, with those higher RPM's and all. I have a micro modified, and 7.2v and that is already fast enough. on the pinion subject, I use the stock pinion from the mini stock on the mrs4 micro mod motor, it never comes off, and it is a very very tight fit, I had to make a hole a bit wider with my xacto knife. how much speed would you guys say a 13 or 14 tooth pinion would add, compared to a stock 10 tooth one?
ag04
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