Cylinder Block Assembly: Specifications

Surface Finish 0.0032 mm (0.000125 inch)
Surface Flatness - Block Deck 0.1016 mm (0.004 inch)
Surface Flatness - Exhaust Manifold Deck 0.1016 mm (0.004 inch)
Surface Flatness - Intake Manifold Deck 0.1016 mm (0.004 inch)
Balance Shaft Bearing Bore Diameter - Front 51.973-51.999 mm (2.0462-2.0472 inch)
End Play 0.0-0.171 mm (0.0-0.0067 inch)
Gear Lash 0.050-0.125 mm (0.002-0.0049 inch)
Balance Shaft Bearing Bore Diameter- Front 51.973-51.999 mm (2.0462-2.0472 inch)
Balance Shaft Bearing Inside Diameter - Rear 38.118-38.194 mm (1.5007-1.5037 inch)
Balance Shaft Bearing Bore Diameter- Rear in Block 47.584-47.612 mm (1.8735-1.8745 inch)
Cylinder Bore Diameter 98.5 mm (3.8 inch)
Cylinder Bore Out-of-Round - Diametral 0.0254 mm (0.001 inch)
Cylinder Bore Taper 0.0254 mm (0.001 inch)
Valve Lifter Bore Diameter 21.424-21.450 mm (0.8435-0.8445 inch)
Piston to Bore Clearance - New -0.0207-0.0437 mm (-0.0008-0.0018 inch)
Piston to Bore Clearance - Used 0.0193-0.0997 mm (0.0008-0.0039 inch)
Piston Pin Clearance to Connecting Rod Bore - Press Fit 0.0073-0.0225 mm (0.00029-0.00089 inch)
Piston Pin Clearance to Piston Pin Bore 0.0065-0.0155 mm (0.00061-0.00026 inch)
Piston Pin Diameter 22.995-23.000 mm (0.90531-0.90551 inch)
Piston Diameter - Production - 96.489 - 96.528 mm (3.7988 - 3.8003 inch)
Piston Diameter- Service Limit - Minimum 96.434 mm (3.7966 inch)
Piston Pin Bore Diameter 23.0065-23.0105 mm (0.9058-0.9059 inch)
Push Rod Length - Intake, Yellow 178.13 mm (7.013 inch)
Push Rod Length - Exhaust, Green 178.13 mm (7.013 inch)
Piston Ring End Gap
First Compression Ring 0.25 - 0.46 mm (0.010 - 0.018 inch)
Second Compression Ring 0.58 - 0.84 mm (0.023 - 0.033 inch)
Oil Control Ring 0.254 - 0.762 mm (0.010 - 0.030 inch)
Piston Ring to Groove Clearance
First Compression Ring 0.033 - 0.079 mm (0.0013 - 0.0031 inch)
Second Compression Ring 0.033 - 0.079 mm (0.0013 - 0.0031 inch)
Oil Control Ring 0.023 - 0.201 mm (0.0009 - 0.0079 inch)
Piston Ring Thickness
First Compression Ring 1.176 - 1.197 mm (0.0463 - 0.0471 inch)
Second Compression Ring 1.1476 - 1.497 mm (0.0581 - 0.0589 inch)
Oil Control Ring 1.854 - 2.007 mm (0.073 - 0.079 inch)
Crankshaft End Play 0.076 - 0.276 mm (0 003 - 0.011 inch)
Crankshaft Main Journal Diameter 63.470 - 63.495 mm (2.4988 - 2.4998 inch)
Crankshaft Main Journal Out-of-Round 0.00635 mm (0.00025 inch)
Crankshaft Main Journal Taper 0.00889 mm (0.00035 inch)
Crankshaft Rear Flange Runout 0.05 mm ( 0.002 inch)
Crankshaft Runout - from Main 2 & 3 to 1 & 4 0.076 mm (0.003 inch)
Crankshaft Main Bearing Bore Diameter 68.249 - 68.270 mm (2.6870 - 2.6878 inch)
Crankshaft Main Bearing Clearance - #1 0.0178 - 0.0406 mm (0.0007 - 0.0016 inch)
Crankshaft Main Bearing Clearance - #2, 3 and 4 0.0229 - 0.0457 mm (0.0009 - 0.0018 inch)
Connecting Rod Bore Diameter 60.295 - 60.312 mm (2.37378 - 2.3745 inch)
Connecting Rod Length - Center to Center 143.205 - 143.307 mm (5.638 - 5.642 inch)
Connecting Rod Side Clearance 0.102 - 0.508 mm (0.004 - 0.0200 inch)
Connecting Rod Journal Diameter 57.1170 - 57.1475 mm (2.2487 - 2.2499 inch)
Connecting Rod Journal Out-of-Round 0.00508 mm (0.00020 inch)
Connecting Rod Journal Taper 0.00889 mm (0.00035 inch)
Connecting Rod Bearing Clearance 0.0127 - 0.0660 mm (0.0005 - 0.0026 inch)