I'm quite new to the game, but I've been learning fast thanks to dissecting a number of vehicles made by more advanced content creators. At the moment, I'm a bit stumped. I've been trying to create fireproof "wheels", but I've yet to find something that works well enough. I've tried building tank treads, but the wheels or cogs required in the center fail to meet expectations. I've tried using a Steering Block with both shocks on the ends as well as using the wheel armor, but they provided minimal mobility. If anyone has something compact that I could try, it would be very much appreciated. 

Below is the vehicle I intend to use the fireproof wheel replacer for. 


www.mediafire.com/?8zc4irxqfbab5dn