ARMY TM 9-2805-256-14 AIR FORCE TO 38G2-102-2 NAVY NAVFAC P-8-611-14E Table 5-2. Engine Repair and Replacements Limits. Item CONNECTING ROD Large end  i.d. Piston  pin  diameter Side  clearance PISTON Piston pin hole dia. Skirt o.d. A-top Bottom B-top Bottom C-top Bottom Skirt o.d. D-top Bottom Piston ring groove dia. Top Second Third Piston  ring  groove  width Top Second Third Measurements Minimum 0.8789 (2.2324) 0.4200 (1.0668) 0.4190 (1.0642) 0.020 (0.0508) 0.4195 (1.0655) 2.2475 (5.7086) 2.2485 (5.7111) (5.7099) 2.2490 (5.7124) 2.2485 2.2495 (5.7137) 2.2490 (5.7124) 2.2500 (5.7150) 1.998 (5.0749) 1.950 (4.953) 1.950 (4.953) 0.1205 (0.3060) 0.0955 (0.2425) 0.188 (0.4775) Maximum 0.8798 (2.2346) 0.4205 (1.0680) 0.4915 (1.0655) 0.036 (0.0914) 0.4200 (1.0668) 2.2480 (5.709) 2.2490 (5.7124) (5.7111) 2.2495 (5.7137) 2.2490 2.2500 (5.7150) 2.2495 (5.7137) 2.2505 (5.7162) 2.008 (5.1003) 1.960 (4.9784) 1.960 (4.9784) 0.1215 (0.3086) 0.0965 (0.2451) 0.189 (0.4800) 5-56