When you start modding the steering for more turing raduis you start having problems with the dog bone poping out under bumps or hard steering. Itill one day i came across an duratrax raze st and i robed the drive bones and the size was perfect. I still can get all the traval in the a-arms and no more pop outs. . But you have to run the 17 mm hex conversion and run the savage x cups.
http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXRUJ6&P=7
http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXRUJ6&P=7