Originally Posted by ScionBox

After reading this thread...
http://www.rctech.net/forum/electric...cup-racer.html

...and judging by the numerous posts in that thread of people having to...

shim this, cut that, droop this, change that screw out, smooth out that bearing seat, use F201 springs, degrease the kit's bearings, swap out the thrust assembly with a spare Tamiya one and shaving off suspension arms, among other fixes too numerous to mention...

...the Cup Racer sounds like too much trouble.