z
Piston Ring to Groove Clearance - Oil Control Ring -
Production
-0.008 to +0.176
mm
-0.0003 to +0.0069
in
z
Piston Ring to Groove Clearance - Oil Control Ring -
Service
-0.008 to +0.176
mm
-0.0003 to +0.0069
in
Pistons and Pins
z
Piston - Piston Diameter- Non Coated Skirt - at Size
Point
98.969-98.987
mm
3.8964-3.8997 in
z
Piston - Piston Diameter- Measured Over Skirt Coating
98.984-99.027
mm
3.897-3.899 in
z
Piston - Piston to Bore Clearance - Non Coated Skirt -
Production
0.013-0.049 mm
0.0005-0.0019 in
z
Piston - Piston to Bore Clearance - Non Coated Skirt -
Service
0.013-0.074 mm
0.0005-0.0029 in
z
Piston - Piston to Bore Clearance - Coated Skirt -
Production
-0.027 to +0.029
mm
-0.001 to +0.0011 in
z
Piston - Piston to Bore Clearance - Coating Worn Off -
Service Limit
0.074 mm
0.0029 in
z
Pin - First Design Press Fit Pin Fit in Connecting Rod
Bore
0.02-0.043 mm -
Interference
0.00078-0.00169 in
- Interference
z
Pin - First Design Press Fit Pin Clearance to Piston Pin
Bore - Production
0.01-0.02 mm
0.0004-0.00078 in
z
Pin - First Design Press Fit Pin Clearance to Piston Pin
Bore - Service
0.01-0.022 mm
0.0004-0.00086 in
z
Pin - First Design Press Fit Pin Diameter
23.997-24.0 mm
0.9447-0.9448 in
z
Pin - Second Design Full Floating Pin Fit in Connecting
Rod Bore - Production
0.007-0.02 mm
0.00027-0.00078 in
z
Pin - Second Design Full Floating Pin Fit in Connecting
Rod Bore - Service
0.007-0.022 mm
0.00027-0.00086 in
z
Pin - Second Design Full Floating Pin Clearance to
Piston Pin Bore - Production
0.002-0.01 mm
0.00008-0.0004 in
z
Pin - Second Design Full Floating Pin Clearance to
Piston Pin Bore - Service
0.002-0.015 mm
0.00008-0.0006 in
z
Pin - Second Design Full Floating Pin Diameter
23.952-23.955
mm
0.943-0.943 in
Valve System
z
Valves - Valve Face Angle
45 degrees
z
Valves - Valve Face Width
1.25 mm
0.05 in
z
Valves - Valve Lash
Net Lash - No Adjustment
2004 Chevrolet Corvette
2004 ENGINE PERFORMANCE Engine Mechanical (Introduction) - 5.7L - Corvette
Helpmelearn
December-24-07 10:50:07 AM
Page 8
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