Originally posted by clmbia45
With servo arm 90 degrees to servo body, correct length for steering rod is 41.5 mm. This requires that you cut about 1.5 mm off the end peices and both ends of the turnbuckle. 
Cool. Glad you got yours.
For me, I like the steering throw to be equal left and right without adjusting the steering EPA on the Tx too much. So I went with the servo arm at 90 degree angles with the linkage and not the servo casing.