COOLDOO
Nov 17 2009, 11:37 AM
What is the best way to spend $500 on performance upgrades on a Mini Z?
bramsay
Nov 17 2009, 08:30 PM
Plastic skis, governor by pass, replace valve springs, change gear ratio to about 3.6 by using quickchange hub. Should be able to do all of this for $500
check out recmotors.com
TNTFAGUY
Nov 18 2009, 03:20 PM
Rec motors has what they call a Big Boy upgrade kit or something. About what you're looking to spend. Give them a call, they can hook you up.
dookey
Nov 19 2009, 01:17 PM
cam, head , piston, rod. question is, how fast you want to go?
http://nr-racing.com/120raceparts.htm