Add more purchasable vehicles to the server. The ability to remove the arms on vehicles opens up the vehicles that can be added but here are a few suggestions.
Hurons for civs
that dual jet propeller thing i see the admins in dont know what it is called
minigun boat for civs will come in handy for fighting the sea fortress would be fun to see how it works out.
all the tempest varients.
i dunno just more vehicles in general would be nice to spice things up a little bit .
Suggestion 2
Make the new vehicles craftable still cant craft a taru.