Engine Tolerance Specifications
Engine Type V8Displacement 6.0L 364 CID
RPO LFA
VIN 5
Bore 101.618-101.636 mm (4.0007-4.0017 in)
Stroke 92.0 mm (3.622 in)
Compression Ratio 10.7:1
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 54.990-55.015 mm (2.165-2.166 in)
Camshaft Bearing Diameter 55.063-55.088 mm (2.1678-2.1688 in)
Camshaft Journal-to-Bearing Clearance 0.048-0.098 mm (0.0002-0.0038 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 53.318-53.338 mm (2.0991-2.0999 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 0.04-0.2 mm (0.0015-0.0078 in)
Crankshaft Main Bearing Clearance - Production 0.02-0.052 mm (0.0008-0.0021 in)
Crankshaft Main Bearing Clearance - Service 0.02-0.065 mm (0.0008-0.0025 in)
Crankshaft Main Journal Diameter - Production 64.992-65.008 mm (2.558-2.559 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 26.14-26.22 mm (1.029-1.0315 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 - Measured from the Cylinder Head Deck 120.2 mm (4.732 in)
to the Valve Rocker Arm Cover Seal Surface
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 - Measured from the Spring Seat Surface to the Top of the Guide 17.32 mm (0.682 in)
Intake Manifold
Surface Flatness - Measured at Gasket Sealing Surfaces and Measured Within 3 mm (0.118 in)
a 200 mm (7.87 in) Area that Includes 2 Runner Port Openings
Lubrication System
Oil Capacity - with Filter 5.68 liters (6.0 quarts)
Oil Capacity - without Filter 5.20 liters (5.5 quarts)
Oil Pressure - Minimum - Hot
at 1,000 RPM 250 kPa (36 psig)
at 2,000 RPM 290 kPa (42 psig)
at 4,000 RPM 310 kPa (45 psig)
Active Fuel Management Relief Valve Oil Pressure -
as Measured at Oil Pressure Sensor Location 379-517 kPa Maximum (55-75 psig) Maximum
Oil Pan
Front Cover Alignment - at Oil Pan Surface 0.0-0.5 mm (0.0-0.02 in)
Crankshaft Rear Oil Seal Housing Alignment - at Oil Pan Surface 0.0-0.5 mm (0.0-0.02 in)
Oil Pan Alignment - to Rear of Engine Block at Transmission Bell Housing Mounting Surface 0.0-0.1 mm (0.0-0.004 in)
Piston Rings
Piston Ring End Gap - First Compression Ring - Measured in Cylinder Bore - Production 0.20-0.41 mm (0.0079-0.0161 in)
Piston Ring End Gap - First Compression Ring - Measured in Cylinder Bore - Service 0.20-0.46 mm (0.0079-0.0181 in)
Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore - Production 0.37-0.69 mm (0.0146-0.0272 in)
Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore - Service 0.37-0.75 mm (0.0146-0.0295 in)
Piston Ring End Gap - Oil Control Ring - Measured in Cylinder Bore - Production 0.22-0.79 mm (0.0086-0.0311 in)
Piston Ring End Gap - Oil Control Ring - Measured in Cylinder Bore - Service 0.22-0.84 mm (0.0086-0.0331 in)
Piston Ring-to-Groove Clearance - First Compression Ring - Production 0.04-0.083 mm (0.0016-0.0033 in)
Piston Ring-to-Groove Clearance - First Compression Ring - Service 0.04-0.083 mm (0.0016-0.0033 in)
Piston Ring-to-Groove Clearance - Second Compression Ring - Production 0.035-0.078 mm (0.0014-0.0031 in)
Piston Ring-to-Groove Clearance - Second Compression Ring - Service 0.035-0.078 mm (0.0014-0.0031 in)
Piston Ring-to-Groove Clearance - Oil Control Ring - Production 0.013-0.201 mm (0.0005-0.0079 in)
Piston Ring-to-Groove Clearance - Oil Control Ring - Service 0.013-0.201 mm (0.0005-0.0079 in)
Pistons and Pins
Pin - Piston Pin Clearance- to-Piston Pin Bore - Production 0.002-0.01 mm (0.00008-0.0004 in)
Pin - Piston Pin Clearance-to-Piston Pin Bore - Service 0.002-0.015 mm (0.00008-0.0006 in)
Pin - Piston Pin Diameter 23.952-23.955 mm (0.9430-0.9431 in)
Pin - Piston Pin Fit in Connecting Rod Bore - Production 0.007-0.02 mm (0.00027-0.00078 in)
Pin - Piston Pin Fit in Connecting Rod Bore - Service 0.007-0.022 mm (0.00027-0.00086 in)
Piston - Piston Diameter - Measured Over Skirt Coating 101.615-101.649 mm (4.0006-4.0019 in)
Piston - Piston to Bore Clearance - Production -0.031 to +0.021 mm (-0.0012 to +0.0008 in)
Piston - Piston to Bore Clearance - Service Limit With Skirt Coating Worn Off 0.071 mm (0.0028 in)
Valve System
Valves - Valve Face Angle 45 degrees
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 degrees
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)
Valve Springs - Valve Spring Load - Closed 340 N at 45.75 mm (76 lb at 1.8 in)
Valve Springs - Valve Spring Load - Open 980 N at 33.55 mm (220 lb at 1.32 in)