hi im new here and was looking at getting a nitro evader st. i want to know if it will keep up with a rustler 2.5 cuz thats what my friend just got. i aslo wanted to know how they size engines. i saw the .18 meant .18 cu inch but what does 2.5 stand for in the traxxas 2.5 engine? how big is it? also are there any other trucks that will keep wp with or beat a rustler 2.5. also im not planning on racing it juss gonna mess around in the back yard n around town with it pry. thanx alot