Engine Mechanical Specifications. GMC Truck Savana 2002

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2002 🢒 Savana 🢒 Engine 🢒 Engine Mechanical - 5.0L and 5.7L 🢒 Engine Mechanical Specifications

Engine Mechanical Specifications 5.0 L

Application	Specification
Application	Metric	English
General Data
Engine Type	V8
Displacement	5.0 L	305 CID
RPO - VIN Code	L30 (M)
Bore	94.89 mm	3.737 in
Stroke	88.39 mm	3.480 in
Compression Ratio	9.4:1
Firing Order	1-8-4-3-6-5-7-2
Spark Plug Gap	1.52 mm	0.060 in
Oil Pressure - Minimum at Normal Operating Temperature	42 kPa at 1,000 RPM 125 kPa at 2,000 RPM 166 kPa at 4,000 RPM	6 psig at 1,000 RPM 18 psig at 2,000 RPM 24 psig at 4,000 RPM
Camshaft
End Play	0.05-0.30 mm	0.002-0.012 in
Journal Diameter	47.440-47.490 mm	1.8677-1.8697 in
Journal Diameter Out-of-Round	0.025 mm	0.0010 in
Lobe Lift - Exhaust	7.20-7.30 mm	0.283-0.287 in
Lobe Lift - Intake	6.97-7.07 mm	0.274-0.278 in
Runout	0.065 mm - Maximum	0.0026 in - Maximum
Connecting Rod
Connecting Rod Bearing Clearance - Production	0.033-0.078 mm	0.0013-0.0031 in
Connecting Rod Bearing Clearance - Service	0.025-0.063 mm	0.0010-0.0025 in
Connecting Rod Journal Diameter	56.505-56.533 mm	2.2246-2.2257 in
Connecting Rod Journal Out-of-Round - Production	0.007 mm - Maximum	0.0003 in - Maximum
Connecting Rod Journal Out-of-Round - Service	0.025 mm - Maximum	0.0010 in - Maximum
Connecting Rod Journal Taper - Production	0.007 mm - Maximum	0.0003 in - Maximum
Connecting Rod Journal Taper - Service	0.025 mm - Maximum	0.0010 in - Maximum
Connecting Rod Side Clearance	0.15-0.61 mm	0.006-0.024 in
Crankshaft
Crankshaft Bearing Clearance - Journal #1 - Production	0.018-0.053 mm	0.0007-0.0021 in
Crankshaft Bearing Clearance - Journal #2, #3, and #4 - Production	0.030-0.068 mm	0.0012-0.0027 in
Crankshaft Bearing Clearance - Journal #5 - Production	0.020-0.060 mm	0.0008-0.0024 in
Crankshaft Bearing Clearance - Journal #1 - Service	0.025-0.051 mm	0.0010-0.0020 in
Crankshaft Bearing Clearance - Journal #2, #3, and #4 - Service	0.025-0.064 mm	0.0010-0.0025 in
Crankshaft Bearing Clearance - Journal #5 - Service	0.038-0.063 mm	0.0015-0.0025 in
Crankshaft End Play	0.05-0.20 mm	0.002-0.008 in
Crankshaft Journal Diameter - Journal #1	62.189-62.212 mm	2.4484-2.4493 in
Crankshaft Journal Diameter - Journal #2, #3, and #4	62.181-62.207 mm	2.4481-2.4491 in
Crankshaft Journal Diameter - Journal #5	62.185-62.207 mm	2.4482-2.4491 in
Crankshaft Journal Out-of-Round - Production	0.005 mm - Maximum	0.0002 in - Maximum
Crankshaft Journal Out-of-Round - Service	0.025 mm - Maximum	0.0010 in - Maximum
Crankshaft Journal Taper - Production	0.005 mm - Maximum	0.0002 in - Maximum
Crankshaft Journal Taper - Service	0.025 mm - Maximum	0.0010 in - Maximum
Crankshaft Runout at Rear Flange	0.038 mm	0.0015 in
Cylinder Bore
Diameter	94.894-94.947 mm	3.7360-3.7381 in
Out-of-Round - Production	0.025 mm	0.0010 in
Out-of-Round - Service	0.05 mm	0.002 in
Taper - Production - Relief Side	0.025 mm	0.0010 in
Taper - Production - Thrust Side	0.012 mm	0.0005 in
Taper - Service Limit	0.025 mm	0.0010 in
Cylinder Head
Surface Flatness - Engine Block Deck	0.10 mm	0.004 in
Surface Flatness - Exhaust Manifold Deck	0.05 mm	0.002 in
Surface Flatness - Intake Manifold Deck	0.10 mm	0.004 in
Exhaust Manifold
Surface Flatness - Flange to Flange	0.25 mm	0.010 in
Surface Flatness - Individual Flange	0.05 mm	0.002 in
Piston
Piston Bore Clearance - Production	0.018-0.061 mm	0.0007-0.0024 in
Piston Bore Clearance - Service	0.018-0.068 mm	0.0007-0.0026 in
Piston Pin
Clearance in Piston - Production	0.010-0.020 mm	0.0004-0.0008 in
Clearance in Piston - Service	0.013-0.025 mm	0.0005-0.0010 in
Diameter	23.545-23.548 mm	0.9270-0.9271 in
Interference Fit in Connecting Rod	0.012-0.050 mm	0.0004-0.0019 in
Piston Rings - End Gap Measured in Cylinder Bore
Piston Compression Ring Gap - Production - Top Groove	0.25-0.51 mm	0.010-0.020 in
Piston Compression Ring Gap - Production - 2nd Groove	0.46-0.66 mm	0.018-0.026 in
Piston Compression Ring Gap - Service - Top Groove	0.25-0.65 mm	0.010-0.025 in
Piston Compression Ring Gap - Service - 2nd Groove	0.46-0.90 mm	0.018-0.035 in
Piston Compression Ring Groove Clearance - Production - Top Groove	0.030-0.070 mm	0.0012-0.0027 in
Piston Compression Ring Groove Clearance - Production - 2nd Groove	0.030-0.074 mm	0.0012-0.003 in
Piston Compression Ring Groove Clearance - Service Limit - Top Groove	0.030-0.090 mm	0.0012-0.0035 in
Piston Compression Ring Groove Clearance - Service Limit - 2nd Groove	0.030-0.090 mm	0.0012-0.0040 in
Piston Oil Ring Gap - Production	0.25-0.76 mm	0.010-0.030 in
Piston Oil Ring Gap - Service	0.25-0.89 mm	0.010-0.035 in
Piston Oil Ring Groove Clearance - Production	0.051-0.203 mm	0.002-0.008 in
Piston Oil Ring Groove Clearance - Service	0.051-0.22 mm	0.002-0.009 in
Valve System
Valve Face Angle	45 degrees
Valve Head Edge Margin	0.79 mm - Minimum	0.031 in - Minimum
Valve Lash	Rotate the Valve Rocker Arm Nut Clockwise 360 degrees from Zero Lash
Valve Lifter	Hydraulic Roller
Valve Rocker Arm Ratio	1.5:1
Valve Seat Angle	46 degrees
Valve Seat Runout	0.05 mm - Maximum	0.002 in - Maximum
Valve Seat Width - Exhaust	1.65-2.49 mm	0.065-0.098 in
Valve Seat Width - Intake	1.14-1.78 mm	0.045-0.070 in
Valve Spring Free Length	51.3 mm	2.02 in
Valve Spring Installed Height - Exhaust	42.92-43.43 mm	1.67-1.70 in
Valve Spring Installed Height - Intake	42.92-43.43 mm	1.67-1.70 in
Valve Spring Pressure - Closed	338-374 N at 43.2 mm	76-84 lb at 1.70 in
Valve Spring Pressure - Open	832-903 N at 32.3 mm	187-203 lb at 1.27 in
Valve Stem Clearance - Exhaust - Production	0.025-0.069 mm	0.0010-0.0027 in
Valve Stem Clearance - Intake - Production	0.025-0.069 mm	0.0010-0.0027 in
Valve Stem Clearance - Exhaust - Service	0.025-0.094 mm	0.0010-0.0037 in
Valve Stem Clearance - Intake - Service	0.025-0.094 mm	0.0010-0.0037 in
Valve Stem Diameter	8.661-8.679 mm	0.3410-0.3416 in
Valve Stem Oil Seal Installed Height - Measured from the Top of the Large Diameter Valve Guide Bevel to the Bottom of the Valve Stem Oil Seal	1-2 mm	0.03937-0.07874 in

Engine Mechanical Specifications 5.7 L

Application	Specification
Application	Metric	English
General Data
Engine Type	V8
Displacement	5.7 L	350 CID
RPO - VIN Code	L31 (R)
Bore	101.63 mm	4.0012 in
Stroke	88.39 mm	3.480 in
Compression Ratio	9.4:1
Firing Order	1-8-4-3-6-5-7-2
Spark Plug Gap	1.52 mm	0.060 in
Oil Pressure - Minimum at Normal Operating Temperature	42 kPa at 1,000 RPM 125 kPa at 2,000 RPM 166 kPa at 4,000 RPM	6 psig at 1,000 RPM 18 psig at 2,000 RPM 24 psig at 4,000 RPM
Camshaft
End Play	0.05-0.30 mm	0.002-0.012 in
Journal Diameter	47.440-47.490 mm	1.8677-1.8697 in
Journal Diameter Out-of-Round	0.025 mm - Maximum	0.0010 in - Maximum
Lobe Lift - Exhaust	7.20-7.30 mm	0.283-0.287 in
Lobe Lift - Intake	6.97-7.07 mm	0.274-0.278 in
Runout	0.065 mm - Maximum	0.0026 in - Maximum
Connecting Rod
Connecting Rod Bearing Clearance - Production	0.033-0.078 mm	0.0013-0.0031 in
Connecting Rod Bearing Clearance - Service	0.025-0.063 mm	0.0010-0.0025 in
Connecting Rod Journal Diameter	56.505-56.533 mm	2.2246-2.2257 in
Connecting Rod Journal Out-of-Round - Production	0.007 mm - Maximum	0.0003 in - Maximum
Connecting Rod Journal Out-of-Round - Service	0.025 mm - Maximum	0.0010 in - Maximum
Connecting Rod Journal Taper - Production	0.007 mm - Maximum	0.0003 in - Maximum
Connecting Rod Journal Taper - Service	0.025 mm - Maximum	0.0010 in - Maximum
Connecting Rod Side Clearance	0.15-0.61 mm	0.006-0.024 in
Crankshaft
Crankshaft Bearing Clearance - Journal #1 - Production	0.018-0.053 mm	0.0007-0.0021 in
Crankshaft Bearing Clearance - Journal #2, #3, and #4 - Production	0.030-0.068 mm	0.0012-0.0027 in
Crankshaft Bearing Clearance - Journal #5 - Production	0.020-0.060 mm	0.0008-0.0024 in
Crankshaft Bearing Clearance - Journal #1 - Service	0.025-0.051 mm	0.0010-0.0020 in
Crankshaft Bearing Clearance - Journal #2, #3, and #4 - Service	0.025-0.064 mm	0.0010-0.0025 in
Crankshaft Bearing Clearance Service - Journal #5 - Service	0.038-0.063 mm	0.0015-0.0025 in
Crankshaft End Play	0.05-0.20 mm	0.002-0.008 in
Crankshaft Journal Diameter - Journal #1	62.189-62.212 mm	2.4484-2.4493 in
Crankshaft Journal Diameter - Journal #2, #3, and #4	62.181-62.207 mm	2.4481-2.4491 in
Crankshaft Journal Diameter - Journal #5	62.185-62.207 mm	2.4482-2.4491 in
Crankshaft Journal Out-of-Round - Production	0.005 mm - Maximum	0.0002 in - Maximum
Crankshaft Journal Out-of-Round - Service	0.025 mm - Maximum	0.0010 in - Maximum
Crankshaft Journal Taper - Production	0.005 mm - Maximum	0.0002 in - Maximum
Crankshaft Journal Taper - Service	0.025 mm - Maximum	0.0010 in - Maximum
Crankshaft Runout at Rear Flange	0.038 mm	0.0015 in
Cylinder Bore
Diameter	101.618-101.643 mm	4.0007-4.0017 in
Out-of-Round - Production	0.025 mm	0.0010 in
Out-of-Round - Service	0.05 mm	0.002 in
Taper - Production - Relief Side	0.025 mm	0.0010 in
Taper - Production - Thrust Side	0.012 mm	0.0005 in
Taper - Service Limit	0.025 mm	0.0010 in
Cylinder Head
Surface Flatness - Engine Block Deck	0.10 mm	0.004 in
Surface Flatness - Exhaust Manifold Deck	0.05 mm	0.002 in
Surface Flatness - Intake Manifold Deck	0.10 mm	0.004 in
Exhaust Manifold
Surface Flatness - Flange to Flange	0.25 mm	0.010 in
Surface Flatness - Individual Flange	0.05 mm	0.002 in
Piston
Piston Bore Clearance - Production	0.018-0.053 mm	0.0007-0.002 in
Piston Bore Clearance - Service	0.018-0.061 mm	0.0007-0.0024 in
Piston Pin
Clearance in Piston - Production	0.013-0.023 mm	0.0005-0.0009 in
Clearance in Piston - Service	0.013-0.025 mm	0.0005-0.0010 in
Diameter	23.545-23.548 mm	0.9270-0.9271 in
Interference Fit in Connecting Rod	0.012-0.050 mm	0.0004-0.0019 in
Piston Rings - End Gap Measured in Cylinder Bore
Piston Compression Ring Gap - Production - Top Groove	0.25-0.40 mm	0.098-0.015 in
Piston Compression Ring Gap - Production - 2nd Groove	0.038-0.058 mm	0.0015-0.003 in
Piston Compression Ring Gap - Service - Top Groove	0.25-0.50 mm	0.009-0.019 in
Piston Compression Ring Gap - Service - 2nd Groove	0.46-0.80 mm	0.018-0.031 in
Piston Compression Ring Groove Clearance - Production - Top Groove	0.030-0.070 mm	0.0012-0.0027 in
Piston Compression Ring Groove Clearance - Production - 2nd Groove	0.038-0.080 mm	0.0015-0.003 in
Piston Compression Ring Groove Clearance - Service Limit - Top Groove	0.030-0.090 mm	0.0012-0.0035 in
Piston Compression Ring Groove Clearance - Service Limit - 2nd Groove	0.040-0.100 mm	0.0015-0.0040 in
Piston Oil Ring Gap - Production	0.25-0.76 mm	0.009-0.029 in
Piston Oil Ring Gap - Service	0.25-0.90 mm	0.009-0.035 in
Piston Oil Ring Groove Clearance - Production	0.046-0.196 mm	0.0018-0.0077 in
Piston Oil Ring Groove Clearance - Service	0.046-0.200 mm	0.0018-0.0079 in
Valve System
Valve Face Angle	45 degrees
Valve Head Edge Margin	0.79 mm - Minimum	0.031 in - Minimum
Valve Lash	Rotate the Valve Rocker Arm Nut Clockwise 360 degrees from Zero Lash
Valve Lifter	Hydraulic Roller
Valve Rocker Arm Ratio	1.5:1
Valve Seat Angle	46 degrees
Valve Seat Runout	0.05 mm - Maximum	0.002 in - Maximum
Valve Seat Width - Exhaust - Heavy Duty	1.50-2.56 mm	0.059-0.101 in
Valve Seat Width - Exhaust - Light Duty	1.65-2.49 mm	0.065-0.098 in
Valve Seat Width - Intake	1.02-1.65 mm	0.040-0.065 in
Valve Spring Free Length	51.3 mm	2.02 in
Valve Spring Installed Height - Exhaust	42.92-43.43 mm	1.67-1.70 in
Valve Spring Installed Height - Intake	42.92-43.43 mm	1.67-1.70 in
Valve Spring Pressure - Closed	338-374 N at 43.2 mm	76-84 lb at 1.70 in
Valve Spring Pressure - Open	832-903 N at 32.3 mm	187-203 lb at 1.27 in
Valve Stem Clearance - Exhaust - Production	0.025-0.069 mm	0.0010-0.0027 in
Valve Stem Clearance - Intake - Production	0.025-0.069 mm	0.0010-0.0027 in
Valve Stem Clearance - Exhaust - Service	0.025-0.094 mm	0.0010-0.0037 in
Valve Stem Clearance - Intake - Service	0.025-0.094 mm	0.0010-0.0037 in
Valve Stem Diameter	8.661-8.679 mm	0.3410-0.3416 in
Valve Stem Oil Seal Installed Height - Measured from the Top of the Large Valve Guide Bevel to the Bottom of the Valve Stem Oil Seal	1-2 mm	0.03937-0.07874 in