Content .. 1863 1864 1865 1866 ..
Chevrolet Silverado / GMC Sierra. Manual - part 1865
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
0.030-0.100 mm
0.0012-0.0040 in
Piston Ring-to-Groove Clearance - First
Compression Ring - Service
0.030-0.100 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
0.00008-0.0004 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 0.9429-0.9431 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
0.007-0.0022 mm
0.00027-0.000086
in
Piston - Piston Diameter - Measured Over
101.611-101.642
4.0-4.001 in
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,
Sierra & Silverado
Skirt Coating
mm
Piston - Piston-to-Bore Clearance - Production
-0.022 to +0.08
mm
-0.0009 to
+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
12.12 mm
0.477 in
Valve Lift - Intake
11.83 mm
0.466 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 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,
Sierra & Silverado
ENGINE MECHANICAL SPECIFICATIONS (RPO L76 VIN Y)
Application
Specification
Metric
English
General
Engine Type
V8
Displacement
6.0L
364 CID
RPO
L76
VIN
Y
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
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,
Sierra & Silverado
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
0.005 mm
0.0002 in
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,
Sierra & Silverado
Content .. 1863 1864 1865 1866 ..