Usage:
Get the temperature of the gear to a maximum of 300°F (149°C) before installation on the crankshaft.
(1) Width of groove in thrower ... .2515 ± .0005 in.(6.388 ± 0.013 mm)
Clearance between seal ring and groove ... .0025 to .0045 in.(0.064 to 0.114 mm)
(2) Maximum "run out" (axial eccentricity) of groove in thrower for seal ring ... .006 in.(0.15 mm)
(3) Distance between thrust faces of crankshaft for center main bearing ... 3.8725 ± .0025 in.(98.362 ± 0.064 mm)
Distance between thrust faces of center main bearing ... 3.857 ± .001 in.(97.97 ± 0.03 mm)
(4) Diameter of bearing surfaces (journals) for the connecting rods [standard, original size] ... 3.624 ± .001 in.(92.05 ± 0.03 mm)
Minimum permissible diameter ... 3.618 in.(91.90 mm)
Diameter of bearing surfaces (journals) for the connecting rods [.025 in. (0.64 mm) smaller than the original size] ... 3.599 ± .001 in.(91.41 ± 0.03 mm)
Minimum permissible diameter ... 3.593 in.(91.26 mm)
Diameter of bearing surfaces (journals) for the connecting rods [.050 in. (1.27 mm) smaller than the original size] ... 3.574 ± .001 in.(90.78 ± 0.03 mm)
Minimum permissible diameter ... 3.568 in.(90.63 mm)
Maximum permissible difference from round bearing surface (journal) ... .005 in.(0.13 mm)
Clearance between connecting rod bearing and connecting rod bearing surface (journal) of crankshaft ... .0029 to .0070 in.(0.074 to 0.178 mm)
Maximum permissible clearance between connecting rod and connecting rod bearing surface (journal) of crankshaft ... .012 in.(0.30 mm)
(5) End play for the crankshaft ... .012 to .019 in.(0.30 to 0.48 mm)
Maximum permissible end play for the crankshaft ... .035 in.(0.89 mm)
(6) Diameter of bearing surfaces (journals) for the main bearings [standard, original size] ... 4.260 ± .001 in.(108.20 ± 0.03 mm)
Minimum permissible diameter ... 4.251 in.(107.98 mm)
Diameter of bearing surfaces (journals) for the main bearings [.025 in. (0.64 mm) smaller than the original size] ... 4.235 ± .001 in.(107.57 ± 0.03 mm)
Minimum permissible diameter ... 4.226 in.(107.34 mm)
Diameter of bearing surfaces (journals) for the main bearings [.050 in. (1.27 mm) smaller than the original size] ... 4.210 ± .001 in.(106.93 ± 0.03 mm)
Minimum permissible diameter ... 4.201 in.(106.71 mm)
Maximum permissible difference from round bearing surface (journal) ... .005 in.(0.13 mm)
Clearance between main bearing and main bearing surface (journal) of crankshaft ... .004 to .007 in.(0.10 to 0.18 mm)
Maximum permissible clearance between main bearing and main bearing surface (journal) of crankshaft ... .010 in.(0.25 mm)