RE: Got an SUT today
go to the GS website and download there race set up for it. I would definitely upgrade the chassis to a pro. I have seen alot of rtr chassis rip at the diff mount holes. Also the screws that screw the hinge oin brace are cheap, upgrade to some heavy duty hexes.
If you decide to get real serious about racing check out the native racing suspension kit. Really makes the sut race worthy.