WickedMom
01-31-2010, 04:46 PM
Since the forums do not have formatting, this makes for a hard read, but if you want the information, you can figure it out. :)
2008 Pontiac G8 | G8 Service Manual | Document ID: 2043668
Engine Mechanical Specifications (L76)
Application
Specification
Metric
English
* Engine Type
V8
* Displacement
5976 cu cm
364 cu in
* RPO
L76
* 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
53.318-53.338 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
8.3 Liters
8.8 Quarts
* Oil Pressure - Minimum - Hot
41 kPa at 1,000 engine RPM
124 kPa at 2,000 engine RPM
165 kPa at 4,000 engine RPM
6 psig at 1,000 engine RPM
18 psig at 2,000 engine RPM
24 psig at 4,000 engine RPM
* Active Fuel Management Relief Valve Oil Pressure - as Measured at Oil Pressure Sensor Location
379-517 kPa
Maximum
55-75 psi
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
0.008-0.016 in
* Piston Ring End Gap - First Compression Ring (Measured in Cylinder Bore - Service)
0.20-0.41 mm
0.008-0.016 in
* Piston Ring End Gap - Second Compression Ring (Measured in Cylinder Bore - Production)
0.37-0.69 mm
0.015-0.027 in
* Piston Ring End Gap - Second Compression Ring (Measured in Cylinder Bore - Service)
0.37-0.69 mm
0.015-0.027 in
* Piston Ring End Gap - Oil Control Ring (Measured in Cylinder Bore - Production)
0.22-0.79 mm
0.009-0.031 in
* Piston Ring End Gap - Oil Control Ring (Measured in Cylinder Bore - Service)
0.22-0.79 mm
0.009-0.031 in
* Piston Ring to Groove Clearance - First Compression Ring - Production
0.030-0.10 mm
0.0012-0.0040 in
* Piston Ring to Groove Clearance - First Compression Ring - Service
0.030-0.10 mm
0.0012-0.0040 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
0.0008-0.0004 in
* Pin - Piston Pin Clearance to Piston Pin Bore - Service
0.002-0.015 mm
0.0008-0.0006 in
* Pin - Piston Pin Diameter
23.952-23.955 mm
0.943-0.943 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
101.636-101.649 mm
4.0014-4.0026 in
* Piston - Piston to Bore Clearance - Production
-0.022-0.08 mm
-0.0009-0.0012 in
* Piston - Piston to Bore Clearance (Service Limit with Skirt Coating Worn Off)
0.024-0.08 mm
0.00094-0.0031 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
2008 Pontiac G8 | G8 Service Manual | Document ID: 2043668
Engine Mechanical Specifications (L76)
Application
Specification
Metric
English
* Engine Type
V8
* Displacement
5976 cu cm
364 cu in
* RPO
L76
* 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
53.318-53.338 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
8.3 Liters
8.8 Quarts
* Oil Pressure - Minimum - Hot
41 kPa at 1,000 engine RPM
124 kPa at 2,000 engine RPM
165 kPa at 4,000 engine RPM
6 psig at 1,000 engine RPM
18 psig at 2,000 engine RPM
24 psig at 4,000 engine RPM
* Active Fuel Management Relief Valve Oil Pressure - as Measured at Oil Pressure Sensor Location
379-517 kPa
Maximum
55-75 psi
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
0.008-0.016 in
* Piston Ring End Gap - First Compression Ring (Measured in Cylinder Bore - Service)
0.20-0.41 mm
0.008-0.016 in
* Piston Ring End Gap - Second Compression Ring (Measured in Cylinder Bore - Production)
0.37-0.69 mm
0.015-0.027 in
* Piston Ring End Gap - Second Compression Ring (Measured in Cylinder Bore - Service)
0.37-0.69 mm
0.015-0.027 in
* Piston Ring End Gap - Oil Control Ring (Measured in Cylinder Bore - Production)
0.22-0.79 mm
0.009-0.031 in
* Piston Ring End Gap - Oil Control Ring (Measured in Cylinder Bore - Service)
0.22-0.79 mm
0.009-0.031 in
* Piston Ring to Groove Clearance - First Compression Ring - Production
0.030-0.10 mm
0.0012-0.0040 in
* Piston Ring to Groove Clearance - First Compression Ring - Service
0.030-0.10 mm
0.0012-0.0040 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
0.0008-0.0004 in
* Pin - Piston Pin Clearance to Piston Pin Bore - Service
0.002-0.015 mm
0.0008-0.0006 in
* Pin - Piston Pin Diameter
23.952-23.955 mm
0.943-0.943 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
101.636-101.649 mm
4.0014-4.0026 in
* Piston - Piston to Bore Clearance - Production
-0.022-0.08 mm
-0.0009-0.0012 in
* Piston - Piston to Bore Clearance (Service Limit with Skirt Coating Worn Off)
0.024-0.08 mm
0.00094-0.0031 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