Engine Mechanical Specifications. Chevrolet Optra

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2009 🢒 Optra - Mexico 🢒 Engine 🢒 Engine Mechanical - 2.0L (Diesel) 🢒 Engine Mechanical Specifications

Application	Specification
Application	Metric	English
Camshaft
Lift - Intake	34.501 mm	1.3583 in
Lift - Exhaust	34.337 mm	1.3519 in
Bending	0.025 mm	0.00098 in
Journal Outer Diameter: No. 1	27.947-27.960 mm	1.1003-1.1008 in
Journal Outer Diameter: No. 2	27.947-27.960 mm	1.1003-1.1008 in
Journal Outer Diameter: No. 3	27.947-27.960 mm	1.1003-1.1008 in
Journal Outer Diameter: No. 4	27.947-27.960 mm	1.1003-1.1008 in
Journal Outer Diameter: No. 5	27.947-27.960 mm	1.1003-1.1008 in
Trust Clearance (End Play)	0.0020-0.060 mm	0.05-0.15 in
Cylinder Head
Journal Inner Diameter: No. 1	28.000-28.021 mm	1.1021-1.1032 in
Journal Inner Diameter: No. 2	28.000-28.021 mm	1.1021-1.1032 in
Journal Inner Diameter: No. 3	28.000-28.021 mm	1.1021-1.1032 in
Journal Inner Diameter: No. 4	28.000-28.021 mm	1.1021-1.1032 in
Journal Inner Diameter: No. 5	28.000-28.021 mm	1.1021-1.1032 in
Journal Clearance	0.04-0.074 mm	0.00157-0.00291 in
Height	129.9-130.1 mm	5.1142-5.1220 in
Surface Flatness Deformation	mm (in)	0.13 overall 0.05 in 100 (0.00511 overall 0.0020 in 3.9370)
Manifolds Surface Deformation	mm (in)	0.13 overall 0.05 in 100 (0.00511 overall 0.0020 in 3.9370)
Valve
Deviation	0.038 mm	0.0015 in
Seat Inner Diameter - Intake	27.000 mm	1.0630 in
Seat Inner Diameter - Exhaust	22.7 mm	0.8937 in
Face Diameter - Intake	28.47-28.73 mm	1.1209-1.1311 in
Face Diameter - Exhaust	24.27-24.53 mm	0.9555-0.9657 in
Inner Diameter - Intake	5.975-6.000 mm	0.2352-0.2362 in
Inner Diameter - Exhaust	5.975-6.000 mm	0.2352-0.2362 in
Valve Stem Outer Diameter - Intake	5.573-5.953 mm	0.2194-0.2344 in
Valve Stem Outer Diameter - Exhaust	5.905-5.925 mm	0.2325-0.2333 in
Valve Length - Intake	93.59-93.61 mm	3.6846-3.6854 in
Valve Length - Exhaust	93.59-93.61 mm	3.6846-3.6854 in
Valve Spring - Free Length	38.500 mm	1.5157 in
Cylinder
Diameter	83.000 mm	3.2677 in
Taper (Maximum)	0.05/100 mm	0.0020/3.9370 in
Out of Round	0.006 mm	0.00024 in
Piston
Diameter	83.000 mm	3.2677 in
Clearance	0.070-0.090 mm	0.0028-0.0035 in
Piston Ring
Groove Clearance - Top Ring	0.090 mm	0.0035 in
Groove Clearance - 2nd Ring	0.070-0.110 mm	0.0028-0.0043 in
Groove Clearance - Oil Ring	0.030-0.070 mm	0.0012-0.0028 in
End Gap - Top Ring	0.200-0.350 mm	0.0079-0.0138 in
End Gap - 2nd Ring	0.400-0.600 mm	0.0157-0.0236 in
End Gap - Oil Ring	0.200-0.400 mm	0.0079-0.0157 in
Piston Pin
Diameter	27.993-27.998 mm	1.1021-1.1023 in
Length	66.800-67.000 mm	2.6299-2.6378 in
Clearance	0.102-0.307 mm	0.0040-0.0121 in
Connecting Rod
Thrust Clearance (End Play)	0.1-0.35 mm	0.0039-0.0138 in
Width	29.900-27.950 mm	1.1772-1.1004 in
Diameter - Piston Pin	30.987-31.013 mm	1.2200-1.2210 in
Diameter - Crankshaft	53.000-53.018 mm	2.0866-2.0873 in
Journal Bearing Oil Clearance	0.024-0.042 mm	0.0009-0.0017 in
Crankshaft
Thrust Clearance (End Play)	0.09-0.32 mm	0.0039-0.0138 in
Main Journal Outer Diameter	60.002-60.020 mm	2.3623-2.3630 in
Rod Journal Outer Diameter	50.008-50.026 mm	1.9688-1.9695 in
Journal Bearing Oil Clearance	0.024-0.042 mm	0.00094-0.00165 in
Cylinder Block
Piston Protrusion Limit	0.194-0.542 mm	0.00764-0.02134 in
Head Surface Deformation	0.06 mm	0.00236 in
Flatness	0.1 mm	0.00394 in