CAT SX Build Tips

[Chris Ashton]

Thought I would just start this thread for information and tips when building the CAT SX.

Firstly I would recommend looking at the set up sheets in the back of the manual before building the car. Unfortunately the manual was designed well before a lot of the development work was done so does not necessarily reflect how the guys have run it.

Secondly and quite importantly there are some features/settings on the car that can run you into trouble with the diff outputs both front and rear.

It is possible if the car is run with a combination of some of the following it is possible to snap the diff outputs if they drop into the output slot under full bump; (as shown in the picture below)

-Very narrow (Small amount of washers against transmission)
-Very laydown shock
-Short upper camber link
-Very short shocks

To check, hold the suspension at full bump with shock attached and make sure the driveshaft rotates smoothly and clears the slot.




I for one will be running an O ring above the spring retainer for a bit of extra impact absorption.