ok i have a small drill press so ican take care of the drilling part. but why do i need a spacer? and do i have to order a long 6 tooth pinion like this then
http://store.rc4wd.com/6-Tooth-32-Pi...ear_p_609.html
or a normal one like this
http://store.rc4wd.com/6-Tooth-32-Pi...ear_p_610.html