I agree with greywolf that 1410 3800kv motor on 3s would be the best castle for stampede. Stampede is very light weight rc and every gram saved will drastically improve handling. On one of my rustlers I had 3660 or 3665 motor, don't remember. A lot of power but it was not balanced, every time I...
Traxxas stampede is short, tall and lightweight, it wheelies even with brushed xl5 sistem. Pretty much 3s would be hard to drive, 4s not driveablle.
I don't know do you want your car just to look nice and shiney or you want to use it? Lighter it is, better it will drive. I would rather buy a...