im sure the top drivers might notice a difference but the rest of us may not....
personally i use a vampire sr1+ in 4wd and in all other cars i use hobbykings turnigy trackstar turbo 120amp that Neal linked to the video review.
cant fault any so far and personally would recommend the cheap one - if unsure just buy two and still have change in your pocket.
if its a tight track go for slower motor, will be much easier to drive - can also add turbo/boost if needed later
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