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Engine Mechanical Specifications (RPO L94 VIN F)

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Engine Mechanical Specifications (RPO L94 VIN F)

Application Specification
Metric English
General
  • Engine Type
 V8
  • Displacement
 6.2L 376 CID
  • RPO
 L94
  • VIN
 F
  • Bore
 103.241-103.259 mm 4.065-4.065 in
  • Stroke
 92.0 mm 3.622 in
  • Compression Ratio
 10.5:1
  • Firing Order
 1-8-7-2-6-5-4-3
  • 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
 103.241-103.259 mm 4.0646-4.0653 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 Bearing Diameter
 55.063-55.088 mm 2.1678-2.1688 in
  • Camshaft Journal-to-Bearing Clearance
 0.023-0.098 mm 0.0009-0.0038 in
  • Camshaft Journal Out-of-Round
 0.025 mm 0.001 in
  • Camshaft Lobe Lift - Exhaust
 7.48 mm 0.294 in
  • Camshaft Lobe Lift - Intake
 7.48 mm 0.294 in
  • Camshaft Runout - Measured at the Intermediate Journals
 0.05 mm 0.002 in
Camshaft Position Actuator
  • Range of Authority
 52 degrees
  • Park Position
 7 degrees Advanced
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 to the Valve Rocker Arm Cover Seal Surface
 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 - 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 a 200 mm (7.87 in) Area that Includes 2 Runner Port Openings
 0.3 mm 0.118 in
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
 165 kPa at 1, 000 engine RPM
241 kPa at 2, 000 engine RPM
262 kPa at 3, 000 engine RPM		 24 psig at 1, 000 engine RPM
35 psig at 2, 000 engine RPM
38 psig at 3, 000 engine RPM
  • 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
 0.17-0.38 mm 0.0067-0.0150 in
  • Piston Ring End Gap - First Compression Ring - Measured in Cylinder Bore - Service
 0.17-0.44 mm 0.0067-0.0173 in
  • Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore - Production
 0.32-0.63 mm 0.0126-0.0248 in
  • Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore - Service
 0.32-0.69 mm 0.0126-0.0272 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
 0.22-0.85 mm 0.0086-0.0335 in
  • Piston Ring-to-Groove Clearance - First Compression Ring - Production
 0.030-0.083 mm 0.0012-0.0033 in
  • Piston Ring-to-Groove Clearance - First Compression Ring - Service
 0.030-0.083 mm 0.0012-0.0033 in
  • Piston Ring-to-Groove Clearance - Second Compression Ring - Production
 0.040-0.083 mm 0.0016-0.0033 in
  • Piston Ring-to-Groove Clearance - Second Compression Ring - Service
 0.040-0.083 mm 0.0016-0.0033 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
 103.258-103.289 mm 4.0653-4.0665 in
  • Piston - Piston to Bore Clearance - Production
 -0.048 to +0.001 mm -0.0019 to +0.000 in
  • Piston - Piston to Bore Clearance - Service Limit With Skirt Coating Worn Off
 0.055 mm 0.0022 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
 12.72 mm 0.501 in
  • Valve Lift - Intake
 12.72 mm 0.501 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
  • Valves - Valve Stem Height - Measured from Spring Seat - Intake and Exhaust
 50.85 +/- 0.375 mm 2.00 +/- 0.015 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
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