TM5-6115-585-34 NAVFAC   P-8-262-12 TO-35C2-3-455-2 TM-05684C-34 Table   1-2.   Repair   and   Replacement   Standards   (Cont) Manufacturer  Dimensions and  Tolerances Maximum  Allowable Component Minimum Maximum Wear   Limit CONNECTING  ROD  (Cont): Connecting   rod   side   clearance 0.0020 0.0160 0.0160 Piston  pin  bushing  bore  -  less 1.043 1.045 1.0455 bushing Piston  pin  bushing  bore 0.9903 0.9906 0.001 CAMSHAFT: Bearing   journal   diameter Front 2.2500 2.2505 0.002 Rear 1.1875 1.1880 0.002 Lobe  diameter  -  base  to  tip 1.185 1.189 0.005 Journal  runout  in  vee  blocks 0.004 Bearing   clearance 0.0012 0.0037 0.0057 End   Thrust 0.0070 0.0390 0.0450 Backlash   camshaft   to   crank   gear 0.005 0.0100 0.0120 PISTON: Clearance  in  cylinder  bore  (pull  on 0.0062 0.0082 0.010 1/2  x  0.0050  ribbon) Piston  pin  bore 0.99005 0.99025 0.9903 Width  of  ring  groove  -  top 0.097 0.098 0.005 Width  of  ring  groove  -  2nd  &  3rd 0.0965 0.0975 0.005 compression Width  of  ring  groove  -  oil  control 0.1880 0.1895 0.005 PISTON PIN: Length 2.988 3.003 N/A Diameter 0.9899 0.9901 0.001 Clearance   in   piston 0.0005 0.0025 0.0003 Clearance   in   connecting   rod 0.0002 0.0007 0.0008 PISTON  RING: Clearance  in  groove  -  top 0.0035 0.0075 0.0100 Clearance  in  groove  -  2nd  &  3rd 0.0030 0.0050 0.0080 compression 1-5