Cylinder Block Assembly: Specifications

Connecting Rod Bearing Cap Bolts
^ First Pass 27 Nm (20 ft. lbs.)
^ Final Pass 50 degrees
Crankshaft Balancer Bolt
^ First Pass 150 Nm (111 ft. lbs.)
^ Final Pass 76 degrees
Crankshaft Main Bearing Cap Bolt
^ First Pass 40 Nm (30 ft. lbs.)
^ Final Pass 110 degrees
Crankshaft Main Bearing Cap Bolt - Side
^ First Pass 15 Nm (11 ft. lbs.)
^ Final Pass 45 degrees
Crankshaft Position Sensor Stud 30 Nm (22 ft. lbs.)
Crankshaft Rear Oil Seal Housing Bolt
^ First Pass 15 Nm (11 ft. lbs.)
^ Final Pass 50 degrees
* Displacement 3.8L (231 cubic inch)
* RPO L26, L32
* VIN 2, 4
* Bore 96.52 mm (3.8 inch)
* Stroke 86.36 mm (3.4 inch)
* Firing Order 1-6-5-4-3-2
* Spark Plug Gap 1.52 mm (0.60 inch)
Balance Shaft
^ Bearing Bore Diameter - Front 51.973-51.999 mm (2.0462-2.0472 inch)
^ Bearing Bore Diameter-Rear-In Block 47.584-47.612 mm (1.8735-1.8745 inch)
^ Bearing Inside Diameter - Rear 38.117-38.194 mm (1.5007-1.5037 inch)
^ Bearing Journal Diameter - Rear 38.072-38.105 mm (1.4989-1.5002 inch)
^ Bearing Clearance - Rear 0.0127-0.1219 mm (0.0005-0.0048 inch)
^ End Play 0.0-0.171 mm (0.0-0.0067 inch)
Block
^ 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)
^ Camshaft Bearing Inside Diameter - Front and Rear 46.970-46.934 mm (1.8428-1.8492 inch)
^ Camshaft Bearing Inside Diameter - Middle #2, #3 46.977-46.942 mm (1.8481-1.8495 inch)
^ Crankshaft Main Bearing Bore Diameter 68.249-68.270 mm (2.6870-2.6878 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)
^ Cylinder Head Deck Surface Flatness - Overall 0.0762 mm (0.003 inch)
^ Gear Lash 0.050-0.125 mm (0.002-0.0049 inch)
Cylinder Head
^ 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)
Connecting Rod
^ Connecting Rod Bearing Clearance 0.0127-0.0660 mm (0.0005-0.0026 inch)
^ Connecting Rod Bore Diameter 60.295-60.312 mm (2.37378-2.3745 inch)
^ Connecting Rod Length - Center to Center - S/C 143.205-143.307 mm (5.638-5.642 inch)
^ Connecting Rod Length - Center to Center - Non S/C 145.796-145.898 mm (5.740-5.744 inch)
^ Connecting Rod Side Clearance 0.102-0.508 mm (0.004-0.0200 inch)
Crankshaft
^ 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)
^ Crankshaft End Play 0.076-0.276 mm (0.003-0.011 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)
^ 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
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 1.476-1.497 mm (0.0581-0.0589 inch)
^ Oil Control Ring 1.854-2.007 mm (0.073-0.079 inch)
Pistons and Pins - Piston
^ Piston Diameter - Production - S/C 96.489-96.528 mm (3.7988-3.8003 inch)
^ Piston Diameter - Production - Non S/C 96.482-96.497 mm (3.7985-3.7991 inch)
^ Piston Diameter - Service Limit - Minimum - S/C 96.434 mm (3.7966 inch)
^ Piston Diameter - Service Limit - Minimum - Non S/C 96.442 mm (3.7969 inch)
^ Piston Pin Bore Diameter - S/C 23.0065-23.0105 mm (0.9058-0.9059 inch)
^ Piston Pin Bore Diameter - Non S/C 22.0060-22.0110 mm (0.8664-0.8666 inch)
^ Piston to Bore Clearance - New - VIN K 0.010-0.051 mm (0.0004-0.0020 inch)
^ Piston to Bore Clearance - Used - VIN K 0.050-0.091 mm (0.0020-0.0036 inch)
^ Piston to Bore Clearance - New - VIN 1 -0.0207-0.0437 mm )-0.0008-0.0018 inch)
^ Piston to Bore Clearance - Used VIN 1 0.0193-0.0997 mm (0.0008-0.0039 inch)
Pistons and Pins - Pin
^ Piston Pin Clearance to Connecting Rod Bore - Clearance - VIN 2 0.0066-0.0217 mm (0.0003-0.0009 inch)
^ Piston Pin Clearance to Piston Pin Bore - VIN K 0.0020-0.0130 mm (0.00008-0.00051 inch)
^ Piston Pin Diameter - Clearance - VIN 4 21.9950-22.000 mm (0.8659-0.8661 inch)
^ Piston Pin Clearance to Connecting Rod Bore - Press Fit - VIN 1 0.0073-0.0225 mm (0.00029-0.00089 inch)
^ Piston Pin Clearance to Piston Pin Bore - VIN 1 0.0065-0.0155 mm (0.00061-0.00026 inch)
^ Piston Pin Diameter - VIN 1 22.995-23.000 mm (0.90531-0.90551 inch)