Crankshaft Main Bearing
CrankshaftMain bearing journal diameter
Standard size 80.9873 - 81.0127 mm (3.188 - 3.150 inch)
0.254 mm (0.010 inch) undersize 80.7333 - 80.7587 mm (3.178-3.140 inch)
0.508 mm (0.020 inch) undersize 80.4793 - 80.5047 mm (3.168 - 3.130 inch)
0.762 mm (0.030 inch) undersize 80.2253 - 80.2507 mm (3.158 - 3.120 inch)
Journal-to-cylinder block clearance 0.020 - 0.086 mm (0.008 - 0.0034 inch)
Main bearing bore inside diameter 85.99 - 86.01 mm (3.3854 - 3.3862 inch)
Connecting rod journal diameter
Standard size 68.99 to 69.01 mm (2.716 to 2.717 inch)
0.254 mm (0.010 inch) undersize 68.73 to 68.75 mm (2.706 to 2.707 inch)
0.508 mm (0.020 inch) undersize 68.48 to 68.50 mm (2.696 to 2.697 inch)
0.762 mm (0.030 inch) undersize 68.23 to 68.25 mm (2.686 to 0.687 inch)
Crankshaft maximum end play 0.508 mm (0.020 inch)
Main Bearing Cap Fasteners
To prevent engine damage, make sure that the longer main cap bolts (M14 x 2 x 127) are installed inboard and the shorter bolts (M14 x 2 x 114) are installed outboard.
Lower bolts
First pass 122 Nm (90 ft. lbs.)
Second pass 163 Nm (120 ft. lbs.)
Final pass 231 Nm (170 ft. lbs.)
Outer bolts 31 Nm (23 ft. lbs.)