w'll uh, i have 3 things. on the cen website theres the link to the "factory" fun factor. can you buy that truck? i havent seen it anywhere. oh, and the engine on it, its a .21 right? and the other thing, you guys should use engine head buttons like other engines. i dont know if you guys dont becasue most of your engines are small, but its cheaper to buy a new button rather than a cooling head becasue you stripped the spot where the glowplug goes.