i can put the left front tire up 2 in, and the rear right tire up 2 in. at the same time or vice versa. as for the steering servo i had to cut L-brackets out of aluminum beasuse i couldnt get any tape to stick to the top of the diff casing. i used a hs81 hitec servo. it has plenty enough power to turn the wheels and its only about $20.00.
