Heat gear to install. Do not heat to a temperature of more than 500°F (260°C).
(1) End play for the crankshaft … .003 to .010 in.(0.08 to 0.25 mm)
Maximum permissible end play for the crankshaft (worn) … .014 in.(0.36 mm)
(2) Diameter of bearing surface (journals) for the connecting rods [standard, original size] … 2.7496 ± .0006 in.(69.840 ± 0.015 mm)
Minimum permissible diameter (worn) … 2.7486 in.(69.814 mm)
Diameter of bearing surfaces (journals) for the connecting rods [.010 in. (0.25 mm) smaller than the original size] … 2.7396 ± .0006 in.(69.586 ± 0.015 mm)
Minimum permissible diameter (worn) … 2.7386 in.(69.560 mm)
Diameter of bearing surfaces (journals) for the connecting rods [.020 in. (0.51 mm) smaller than the original size] … 2.7296 ± .0006 in.(69.332 ± 0.015 mm)
Minimum permissible diameter (worn) … 2.7286 in.(69.306 mm)
Diameter of bearing surfaces (journals) for the connecting rods [.050 in. (1.27 mm) smaller than the original size] … 2.6996 ± .0006 in.(68.570 ± 0.015 mm)
Minimum permissible diameter (worn) … 2.6986 in.(68.544 mm)
(3) Diameter of bearing surfaces (journals) for the main bearings [standard, original size] … 3.4995 ± .0006 in.(88.887 ± 0.015 mm)
Minimum permissible diameter (worn) … 3.4980 in.(88.749 mm)
Diameter of bearing surfaces (journals) for the main bearings [.010 in. (0.25 mm) smaller than the original size] … 3.4895 ± .0006 in.(88.633 ± 0.015 mm)
Minimum permissible diameter (worn) … 3.4880 in.(88.595 mm)
Diameter of bearing surfaces (journals) for the main bearings [.020 in. (0.51 mm) smaller than the original size] … 3.4795 ± .0006 in.(88.379 ± 0.015 mm)
Minimum permissible diameter (worn) … 3.4780 in.(88.341 mm)
Diameter of bearing surfaces (journals) for the main bearings [.050 in. (1.27 mm) smaller than the original size] … 3.4495 ± .0006 in.(87.617 ± 0.015 mm)
Minimum permissible diameter (worn) … 3.4480 in.(87.579 mm)
Maximum permissible run out of the crankshaft main bearing surfaces (journals) … .005 in.(0.13 mm)
NOTE: See RECONDITIONING PROCEDURES for the correct method to check for bent crankshafts.