I dont have a manual either. Wow 55 ft lbs is not tight at all. Seems light?? AS a rule of thumb, Ive have learned years ago after use of a torque wrench, turn it down to (0) when done or at least the lowest setting it has. Ive heard that leaving them set up somehow screws with the calibration. I have no proof of this. Its just what I heard about some 25 years ago.
