System Specifications

Block
Camshaft Bearing Bore Diameter - Front and Rear 51.03-51.08 mm (2.009-2.011 in.)
Camshaft Bearing Bore Diameter - Middle #2, #3 50.77-50.82 mm (1.999-2.001 in.)
Crankshaft Main Bearing Bore Diameter 72.1535-72.1695 mm (2.840-2.841 in.)
Crankshaft Main Bearing Bore Out-of-Round 0.008 mm (0.00031 in.)
Cylinder Bore Diameter 99.000-99.018 mm (3.897-3.898 in.)
Cylinder Bore Out-of-Round - Diameter - Production 0.020 mm (0.0008 in.)
Cylinder Bore Out-of-Round - Diameter - Service 0.025 mm (0.001 in.)
Cylinder Bore Taper - Production 0.020 mm (0.0008 in.)
Cylinder Bore Taper - Service 0.025 mm (0.001 in.)
Cylinder Head Deck Height 224 mm (8.818 in.)
Cylinder Head Deck Surface Flatness 0.05 mm ( per 152 mm (0.0019 in.) per 6 in.)
Valve Lifter Bore Diameter 21.417-21.455 mm (0.843-0.844 in.)

Camshaft
Camshaft Bearing Inside Diameter 51.500-51.525 mm (2.028-2.029 in.)
Camshaft Journal Diameter 51.415-51.440 mm (2.024-2.025 in.)
Camshaft Journal Out-of-Round 0.025 mm (0.001 in.)
Camshaft Lobe Lift - Exhaust 6.9263 mm (0.2727 in.)
Camshaft Lobe Lift - Intake 6.9263 mm (0.2727 in.)

Cooling System
Thermostat Full Open Temperature 195 degrees

Connecting Rod
Connecting Rod Bearing Clearance 0.018-0.062 mm (0.0007-0.017 in.)
Connecting Rod Bore Diameter 60.322-60.338 mm (2.375-2.376 in.)
Connecting Rod Bore Out-of-Round 0.006 mm (0.00023 in.)
Connecting Rod Length - Center to Center 150 mm (5.9 in.)
Connecting Rod Side Clearance 0.200-0.241 mm (0.008-0.009 in.)

Crankshaft
Connecting Rod Journal Diameter 57.122-57.138 mm (2.2489-2.2495 in.)
Connecting Rod Journal Out-of-Round 0.005 mm (0.0002 in.)
Connecting Rod Journal Taper 0.005 mm (0.0002 in.)
Connecting Rod Journal Width 21.92-22.08 mm (0.863-0.869 in.)
Crankshaft End Play 0.060-0.210 mm (0.0024-0.0083 in.)
Crankshaft Main Bearing Journal Width 23.9-24.1 mm (0.941-0.949 in.)
Crankshaft Main Bearing Clearance - Except #3 0.019-0.064 mm (0.0008-0.0025 in.)
Crankshaft Main Bearing Clearance - #3 Thrust Bearing 0.032-0.077 mm (0.0012-0.0030 in.)
Crankshaft Main Journal Diameter 67.239-67.257 mm (2.6473-2.6483 in.)
Crankshaft Main Journal Out-of-Round 0.005 mm (0.0002 in.)
Crankshaft Main Journal Taper 0.005 mm (0.0002 in.)
Crankshaft Rear Flange Runout 0.04 mm (0.0016 in.)

Cylinder Head
Combustion Chamber Depth - at Measurement Point 2.2 mm (0.087 in.)
Surface Finish - Maximum 2.8 RA
Surface Flatness - Block Deck 0.08 mm ( Per 152 mm (0.003 in.) Per 6 in.)
Surface Flatness - Exhaust Manifold Deck 0.1 mm (0.004 in.)
Surface Flatness - Intake Manifold Deck 0.1 mm (0.004 in.)
Valve Guide Bore - Exhaust 8.01 mm (0.315 in.)
Valve Guide Bore - Intake 8.01 mm (0.315 in.)
Valve Guide Installed Height 16.6 mm (0.654 in.)

Lubrication System
Oil Capacity - with Filter 3.8 liter 4.0 quarts
Oil Capacity - without Filter 3.3 liter 3.5 quarts
Oil Pressure - @ 1850 RPM 207-310 kPa30-45 PSI

Oil Pump
Gear Diameter 50.749-50.800 mm (1.997-1.999 in.)
Gear Pocket - Depth 26.274-26.332 mm (1.034-1.036 in.)
Gear Pocket - Diameter 50.902-50.952 mm (2.004-2.005 in.)
Gears Lash 0.094-0.195 mm (0.0037-0.0077 in.)
Relief Valve-to-Bore Clearance 0.038-0.089 mm (0.0015-0.0035 in.)

Piston Ring
Piston Ring End Gap
First Compression Ring 0.18-0.39 mm (0.007-0.015 in.)
Second Compression Ring 0.48-0.74 mm (0.019-0.029 in.)
Oil Control Ring 0.25-0.74 mm (0.010-0.029 in.)
Piston Ring to Groove Clearance
First Compression Ring 0.03-0.076 mm (0.001-0.003 in.)
Second Compression Ring 0.04-0.078 mm (0.002-0.003 in.)
Oil Control Ring 0.09 mm (0.004 in.)
Piston Ring Thickness
First Compression Ring 1.164-1.190 mm (0.046-0.047 in.)
Second Compression Ring 1.472-1.490 mm (0.058 in.)
Oil Control Ring - Maximum 2.440 mm (0.096 in.)

Piston
Piston Diameter - Production 98.970-99.008 mm (3.896-3.897 in.)
Piston Diameter - Service Limit 98.950 mm (3.895 in.)
Piston Pin Bore Diameter 24.008-24.013 mm (0.9452-0.9454 in.)
Piston Ring Groove Width 1.23-1.255 mm (0.048-0.049 in.)
Piston to Bore Clearance - Production -0.029 to 0.029 mm (-0.0011 to 0.011 in.)
Piston to Bore Clearance - Service Limit - Maximum 0.080 mm (0.003 in.)

Pin
Piston Pin Clearance to Connecting Rod Bore - Press Fit -0.022 to -0.044 mm (-0.0008 to -0.0017 in.)
Piston Pin Clearance to Piston Pin Bore 0.008-0.016 mm (0.0003-0.0006 in.)
Piston Pin Diameter 23.997-24.000 mm (0.9447-0.9448 in.)
Piston Pin Length 59.87-60.13 mm (2.35-2.36 in.)

Valves
Valve Face Angle 45 degrees
Valve Seat Angle 46 degrees
Valve Seat Depth - Exhaust - from Deck Face 8.9-9.1 mm (0.350-0.358 in.)
Valve Seat Depth - Intake - from Deck Face 7.9-8.1 mm (0.311-0.318 in.)
Valve Seat Width - Exhaust 1.70-2.0 mm (0.067-0.079 in.)
Valve Seat Width - Intake 1.55-1.80 mm (0.061-0.071 in.)
Valve Stem-to-Guide Clearance 0.024-0.064 mm (0.0009-0.0025 in.)

Valve Lifters/Push Rods
Push Rod Length - Intake 147.51 mm (5.81 in.)
Push Rod Length - Exhaust 154.87 mm (6.1 in.)

Valve Springs
Valve Spring Free Length 52.88 mm (2.08 in.)
Valve Spring Assembly Installed Height 46.75 mm (1.84 in.)
Valve Spring Load - Closed - Without Damper 340 ± 19 N 43.2 mm (76.4 lb 1.701 in.)
Valve Spring Load - Open - Without Damper 1023 ± 44 N 32 mm (230 lb 1.260 in.)