Crankshaft Main Bearing

L61 ENGINE TORQUE SPECIFICATIONS
Crankshaft Bearing Cap Initial Torque (Lower Crankcase-to-Block Bolts)
20 + 70 degrees Nm (15 + 70 degrees ft. lbs.)

DESIGN SPECIFICATIONS
Crankshaft
Main Bearing Bore I.D. 64.068 - 4.082 (2.522 4-2.5229)
Main Bearing Shell Thickness 4.030 - 4.037 (0.1587-0.1589)
Main Bearing I.D. 56.035 - 56.065 (2.2061 -2.2073)
Main Journal O.D. 55.994-56.008 (2.2045-2.2050)
Main Bearing Clearance 0.031 - 0.067 (0.0012-0.0026)
Rod Pin O.D. 49.000-49.014 (1.9291-1.9297)
Rear Crankshaft Seal O.D. 89.78-90.00 (3.535-3.543)
Rear Crankshaft Seal Surface Finish 0.35-0.80
Crankshaft Endplay 0.050-0.3801 (0.0012-0.0150)
Balance of Crankshaft 10 g/cm max