Engine Tolerance Specifications

Bore 101.618-101.636 mm (4.0007-4.0017 in.)
Stroke 92.0 mm (3.622 in.)
Compression Ratio 9.67:1
Firing Order 1-8-7-2-6-5-4-3
Active Fuel Management Cylinders 1-4-6-7
Spark Plug Gap 1.02 mm (0.04 in.)
Block
Camshaft Bearing Bore 1 and 5 Diameter 59.58-59.63 mm (2.345-2.347 in.)
Camshaft Bearing Bore 2 and 4 Diameter 59.08-59.13 mm (2.325-2.327 in.)
Camshaft Bearing Bore 3 Diameter 58.58-58.63 mm (2.306-2.308 in.)
Crankshaft Main Bearing Bore Diameter 69.871-69.889 mm (2.75-2.751 in.)
Crankshaft Main Bearing Bore Out-of-Round 0.006 mm (0.0002 in.)
Cylinder Bore Diameter 101.618-101.636 mm (4.0007-4.0017 in.)
Cylinder Head Deck Height - Measuring from the Centerline of Crankshaft to the Deck Face 234.57-234.82 mm (9.235-9.245 in.)
Cylinder Head Deck Surface Flatness - Measured Within a 152.4 mm ( (6.0 in) Area 0.11 mm (0.004 in.)
Cylinder Head Deck Surface Flatness - Measuring the Overall Length of the Block Deck 0.22 mm (0.008 in.)
Valve Lifter Bore Diameter 21.417-21.443 mm (0.843-0.844 in.)
Camshaft
Camshaft End Play 0.025-0.305 mm (0.001-0.012 in.)
Camshaft Journal Diameter 54.99-55.04 mm (2.164-2.166 in.)
Camshaft Journal Out-of-Round 0.025 mm (0.001 in.)
Camshaft Lobe Lift - Exhaust - Non Active Fuel Management Cylinders 7.17 mm (0.282 in.)
Camshaft Lobe Lift - Exhaust - Active Fuel Management Cylinders 7.3 mm (0.287 in.)
Camshaft Lobe Lift - Intake - Non Active Fuel Management Cylinders 7.08 mm (0.279 in.)
Camshaft Lobe Lift - Intake - Active Fuel Management Cylinders 7.2 mm (0.283 in.)
Camshaft Runout - Measured at the Intermediate Journals 0.05 mm (0.002 in.)
Connecting Rod
Connecting Rod Bearing Clearance - Production 0.023-0.065 mm (0.0009-0.0025 in.)
Connecting Rod Bearing Clearance - Service 0.023-0.076 mm (0.0009-0.003 in.)
Connecting Rod Bore Diameter - Bearing End 56.505-56.525 mm (2.224-2.225 in.)
Connecting Rod Bore Out-of-Round - Bearing End - Production 0.004-0.008 mm (0.00015-0.0003 in.)
Connecting Rod Bore Out-of-Round - Bearing End - Service 0.004-0.008 mm (0.00015-0.0003 in.)
Connecting Rod Side Clearance 0.11-0.51 mm (0.00433-0.02 in.)
Crankshaft
Connecting Rod Journal Diameter - Production 53.318 mm 53.338 mm (2.0991 in. 2.0999 in.)
Connecting Rod Journal Diameter - Service 53.308 mm (2.0987 in.)
Connecting Rod Journal Out - of - Round - Production 0.005 mm (0.0002 in.)
Connecting Rod Journal Out - of - Round - Service 0.01 mm (0.0004 in.)
Connecting Rod Journal Taper (Maximum for 1/2 of Journal Length - Production) 0.005 mm (0.0002 in.)
Connecting Rod Journal Taper (Maximum for 1/2 of Journal Length - Service) 0.02 mm (0.00078 in.)
Crankshaft End Play 0.04 mm 0.2 mm (0.0015 in. 0.0078 in.)
Crankshaft Main Bearing Clearance - Production 0.02 mm 0.052 mm (0.0008 in. 0.0021 in.)
Crankshaft Main Bearing Clearance - Service 0.02 mm 0.065 mm (0.0008 in. 0.0025 in.)
Crankshaft Main Journal Diameter - Production 64.992 mm 65.008 mm (2.558 in. 2.559 in.)
Crankshaft Main Journal Diameter - Service 64.992 mm (2.558 in.)
Crankshaft Main Journal Out - of - Round - Production 0.003 mm (0.000118 in.)
Crankshaft Main Journal Out - of - Round - Service 0.008 mm (0.0003 in.)
Crankshaft Main Journal Taper - Production 0.01 mm (0.0004 in.)
Crankshaft Main Journal Taper - Service 0.02 mm (0.00078 in.)
Crankshaft Rear Flange Runout 0.05 mm (0.002 in.)
Crankshaft Reluctor Ring Runout (Measured 1.0 mm ( (0.04 in) Below Tooth Diameter) 0.7 mm (0.028 in.)
Crankshaft Thrust Surface - Production 26.14 mm ( 26.22 mm (1.029 in.) 1.0315 in.)
Crankshaft Thrust Surface - Service 26.22 mm (1.0315 in.)
Crankshaft Thrust Surface Runout 0.025 mm (0.001 in.)
Cylinder Head
Cylinder Head Height/Thickness *1 120.2 mm (4.732 in.)
Surface Flatness - Block Deck (Measured within a 152.4 mm ( (6.0 in) Area) 0.08 mm (0.003 in.)
Surface Flatness - Block Deck (Measuring the Overall Length of the Cylinder Head) 0.1 mm (0.004 in.)
Surface Flatness - Exhaust Manifold Deck 0.13 mm (0.005 in.)
Surface Flatness - Intake Manifold Deck 0.08 mm (0.0031 in.)
Valve Guide Installed Height *3 17.32 mm (0.682 in.)
Intake Manifold
Surface Flatness *2 0.3 mm (0.118 in.)
Lubrication System
Oil Capacity - with Filter 8.3 Litres 8.8 Quarts
Oil Pressure - Minimum - Hot 41 kPa at 1,000 engine RPM 6 psig at 1,000 engine RPM
Active Fuel Management Relief Valve Oil Pressure - as Measured at Oil Pressure Sensor Location 379-517 kPa 55-75 psi
Oil Pan
Front Cover Alignment - at Oil Pan Surface 0.0 mm 0.5 mm (0.0 in. 0.02 in.)
Crankshaft Rear Oil Seal Housing Alignment - at Oil Pan Surface 0.0 mm 0.5 mm (0.0 in. 0.02 in.)
Oil Pan Alignment - to Rear of Engine Block at Transmission Bell Housing Mounting Surface 0.0 mm ( 0.1 mm (0.0 in. 0.004 in.)
Piston Rings
Piston Ring End Gap - First Compression Ring (Measured in Cylinder Bore - Production) 0.20 mm 0.41 mm (0.008 in. 0.016 in.)
Piston Ring End Gap - First Compression Ring (Measured in Cylinder Bore - Service) 0.20 mm 0.41 mm (0.008 in. 0.016 in.)
Piston Ring End Gap - Second Compression Ring (Measured in Cylinder Bore - Production) 0.37 mm 0.69 mm (0.015 in. 0.027 in.)
Piston Ring End Gap - Second Compression Ring (Measured in Cylinder Bore - Service) 0.37 mm 0.69 mm (0.015 in. 0.027 in.)
Piston Ring End Gap - Oil Control Ring (Measured in Cylinder Bore - Production) 0.22 mm 0.79 mm (0.009 in. 0.031 in.)
Piston Ring End Gap - Oil Control Ring (Measured in Cylinder Bore - Service) 0.22 mm 0.79 mm (0.009 in. 0.031 in.)
Piston Ring to Groove Clearance - First Compression Ring - Production 0.030 mm 0.10 mm (0.0012 in. 0.0040 in.)
Piston Ring to Groove Clearance - First Compression Ring - Service 0.030 mm 0.10 mm (0.0012 in.)0.0040 in.)
Piston Ring to Groove Clearance - Second Compression Ring - Production 0.035 mm 0.078 mm (0.0014 in. 0.0031 in.)
Piston Ring to Groove Clearance - Second Compression Ring - Service 0.035 mm 0.078 mm (0.0014 in. 0.0031 in.)
Piston Ring to Groove Clearance - Oil Control Ring - Production 0.013 mm 0.201 mm (0.0005 in. 0.0079 in.)
Piston Ring to Groove Clearance - Oil Control Ring - Service 0.013 mm 0.201 mm (0.0005 in. 0.0079 in.)
Pistons and Pins
Pin - Piston Pin Clearance to Piston Pin Bore - Production 0.002 mm 0.01 mm (0.0008 in. 0.0004 in.)
Pin - Piston Pin Clearance to Piston Pin Bore - Service 0.002 mm 0.015 mm (0.0008 in. 0.0006 in.)
Pin - Piston Pin Diameter 23.952 mm 23.955 mm (0.943 in. 0.943 in.)
Pin - Piston Pin Fit in Connecting Rod Bore - Production 0.007 mm 0.02 mm (0.00027 in. 0.00078 in.)
Pin - Piston Pin Fit in Connecting Rod Bore - Service 0.007 mm 0.022 mm (0.00027 in. 0.00086 in.)
Piston - Piston Diameter - Measured Over Skirt Coating 101.611 mm 101.642 mm (4.0 in. 4.001 in.)
Piston - Piston to Bore Clearance - Production -0.022 mm 0.08 mm (-0.0009 in. 0.0012 in.)
Piston - Piston to Bore Clearance (Service Limit with Skirt Coating Worn Off) 0.024 mm 0.08 mm (0.00094 in. 0.0031 in.)
Valve System
Valves - Valve Face Angle 45 °
Valves - Valve Face Width 1.25 mm (0.05 in.)
Valves - Valve Lash Net Lash - No Adjustment
Valve Lift - Exhaust - Non Active Fuel Management 12.19 mm (0.480 in.)
Valve Lift - Exhaust - Active Fuel Management 12.41 mm (0.489 in.)
Valve Lift - Intake - Non Active Fuel Management 12.04 mm (0.474 in.)
Valve Lift - Intake - Active Fuel Management 12.24 mm (0.488 in.)
Valves - Valve Seat Angle 46 °
Valves - Valve Seat Runout 0.05 mm (0.002 in.)
Valves - Valve Seat Width - Exhaust 1.78 mm (0.07 in.)
Valves - Valve Seat Width - Intake 1.02 mm (0.04 in.)
Valves - Valve Stem Diameter - Production 7.955-7.976 mm (0.313-0.314 in.)
Valves - Valve Stem Diameter - Service 7.95 mm (0.313 in.)
Valves - Valve Stem-to-Guide Clearance - Production - Exhaust 0.025-0.066 mm (0.001-0.0026 in.)
Valves - Valve Stem-to-Guide Clearance - Service - Exhaust 0.093 mm (0.0037 in.)
Valves - Valve Stem-to-Guide Clearance - Production - Intake 0.025-0.066 mm (0.001-0.0026 in.)
Valves - Valve Stem-to-Guide Clearance - Service - Intake 0.093 mm (0.0037 in.)
Rocker Arms - Valve Rocker Arm Ratio 1.70:1
Valve Springs - Valve Spring Free Length 52.9 mm (2.08 in.)
Valve Springs - Valve Spring Installed Height 45.75 mm (1.8 in.)

*1 Measured from the Cylinder Head Deck to the Valve Rocker Arm Cover Seal Surface

*2 Measured at Gasket Sealing Surfaces and Measured Within a 200 mm (7.87 in) Area that Includes 2 Runner Port Openings

*3 Measured from the Spring Seat Surface to the Top of the Guide