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DESCRIPTION SPECIFICATION Bearing Journal Diameter No. 1 50.749 – 50.775 mm (1.998 – 1.999 in.) No. 2 50.343 – 50.368 mm (1.982 – 1.983 in.) No. 3 49.962 – 49.987 mm (1.967 – 1.968 in.) No. 4 49.555 – 49.581 mm (1.951 – 1.952 in.) No. 5 39.637 – 39.662 mm (1.5605 – 1.5615 in.) Bearing to Journal Standard 0.0254 – 0.0762 mm (0.001 – 0.003 in.) Service Limit 0.127 mm (0.005 in.) Camshaft End Play 0.051 – 0.254 mm (0.002 – 0.010 in.) CONNECTING RODS Piston Pin Bore Diameter 24.966 - 24.978 mm (0.9829 - 0.9834 in.) Side Clearance 0.152 - 0.356 mm (0.006 - 0.014 in.) CRANKSHAFT Rod Journal Diameter 53.950 – 53.975 mm (2.124 – 2.125 in.) Out of Round (Max.) 0.0254 mm (0.001 in.) Taper (Max.) 0.0254 mm (0.001 in.) Bearing Clearance 0.013 – 0.056 mm (0.0005 – 0.0022 in.) Service Limit 0.0762 mm (0.003 in.) Main Bearing Journal Diameter 71.361 – 71.387 mm (2.8095 – 2.8105 in.) Out of Round (Max.) 0.127 mm (0.001 in.) Taper (Max.) 0.0254 mm (0.001 in.) DESCRIPTION SPECIFICATION Bearing Clearance #1 Journal 0.013 – 0.038 mm (0.0005 – 0.0015 in.) Service Limit #1 Journal 0.0381 mm (0.0015 in.) Bearing Clearance #2-5 Journals 0.013 – 0.051 mm (0.0005 – 0.002 in.) Service Limit #2-5 Journals 0.064 mm (0.0025 in.) End Play 0.051 – 0.178 mm (0.002 – 0.007 in.) Service Limit 0.254 mm (0.010 in.) CYLINDER BLOCK Cylinder Bore Diameter 101.60 – 101.65 mm (4.000 – 4.002 in.) Out of Round (Max.) 0.025 mm (0.001 in.) Taper (Max.) 0.025 mm (0.001 in.) Lifter Bore Diameter 22.99 – 23.01 mm (0.9051 – 0.9059 in.) Distributor Drive (Press Fit) Bushing to Bore Interference 0.0127 – 0.3556 mm (0.0005 – 0.0140 in.) Shaft to Bushing Clearance 0.0178 – 0.0686 mm (0.0007 – 0.0027 in.) CYLINDER HEAD AND VALVES Valve Seat Angle 44.25° – 44.75° Runout (Max.) 0.0762 mm (0.003 in.) Width (Finish) – Intake 1.016 – 1.524 mm (0.040 – 0.060 in.) Width (Finish) – Exhaust 1.524 – 2.032 mm (0.060 – 0.080 in.) 9 - 186 5.9L ENGINE DN SPECIFICATIONS (Continued) |