Originally posted by kh15
on the spec sheet it says the tc3 rtr comes stock with a 3:0:1 GEAR RATIO whats that and what gear is for what number?
That is the Spur/Pinion ratio....The internal ratio of your car (the diffs) is 2.5.... 3 x 2.5 = 7.5
To figure your final drive....Divide your spur # by your pinion #...then multiply by internal drive ratio (2.5 on the TC3)
Letme guess, the gears on your car are 24 pinion & 72 spur...I'm f#@$ing psychic!