With the Teton I was inspired to come up with a four wheel steering link to make it at 4x4x4 truck.
I initially just tweaked my end swap link, but that just ended up as a truck that crabbed around.
So I came up with a dual servo mount and revised linkage.
I picked up a take off steering linkage for a Teton off ebay and that had most of the hard parts to complete this swap. You also need a set of front knuckles and hubs along with a few ball studs.
A little dremeling is required to clearance the motor/spur cover to allow the linkage to travel.
I would recommend some servo tape to better secure the servos.