Engine Mechanical Specifications. Chevrolet Epica 2007

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2007 🢒 Epica 🢒 Engine 🢒 Engine Mechanical - 2.0L and 2.5L 🢒 Engine Mechanical Specifications

Engine Mechanical Specifications 2.5L

Application	Specification
Application	Metric	English
Camshaft
Bearing Journal OD	24.95-24.97 mm	0.98228-0.98307 in
Camshaft Cap to Bearing Journal Clearance	0.03-0.071 mm	0.00118-0.00280 in
Lift - Exhaust	9 mm	0.35 in
Lift - Intake	10 mm	0.39 in
Connecting Rod Journal
Diameter, All	47.2-47.212 mm	1.8583-1.8587 in
Out of Round, Maximum	0.008 mm	0.00031 in
Rod Bearing Clearance	0.031-0.065 mm	0.00122-0.00256 in
Rod Bearing Play	0.080-0.260 mm	0.00315-0.01024 in
Crankshaft
End Play	0.055-0.265 mm	0.002-0.010 in
Main Bearing Clearance, All	0.019-0.049 mm	0.00075-0.000193 in
Main Journal - Diameter, All	57.980-58.000 mm	2.2827-2.2835 in
Main Journal - Radial Run Out, Shave Support on No. 1 and No. 7 Bearings Measured at No. 4 Journal	0.06 mm	0.00236 in
Service Oversize	None
Cylinder Bore
Block Face Distortion	0.1 mm	0.003937 in
Cylinder Bore Taper, Maximum	0.01 mm	0.0004 in
Diameter	76.994-77.006 mm	3.0313-3.0317 in
Out of Round, Maximum	0.007 mm	0.00028 in
Oversize--Measure Replacement Piston Before Re-boring	None
Piston Protrusion, Maximum	0.132 mm	0.0052 in
Cylinder Head
Minimum Overall Height After Machining	128.2 mm	5.0472 in
Overall Height	128.2-128.4 mm	5.04724-5.05512 in
Valve Guide Height	11.7-12.0 mm	0.46063-0.47244 in
General Data
Bore Stroke	77 x 89.2 mm	3.03 in x 3.51 in
Compression Ratio	9.8:1
Displacement	2 492 cm³	152 in³
Engine Type	6 Cylinder, In-Line
Firing Order	1-5-3-6-2-4
Oil Pump
End Clearance, TIP Clearance	0.02-0.16 mm	0.00079-0.00630 in
Inner Gear to Crescent	0.02-0.07 mm	0.00079-0.00276
Outer Gear to Body	0.1-0.19 mm	0.00394-0.00748 in
Outer Gear to Crescent	0.02-0.07 mm	0.00079-0.00276 in
Piston
Clearance to Bore	0.015 to 0.027 mm	0.00059 to 0.001063 in
Diameter	76.973-77.015 mm	3.0304-3.0320 in
Piston Pin
Clearance: In Piston	0.009-0.019 mm	0.00035-0.00075 in
Clearance: In Rod	Interference Fit in Rod, -0.010 to -0.025 mm
Diameter	18.995-19.000 mm	0.74783-0.74803 in
Length	55.7-56.0 mm	2.193-2.205 in
Pin Offset	0.6 mm	0.02362 in
Piston Rings
Oil	0.2-0.7 mm	0.00787-0.02756 in
Ring, End Gap, Top Compression	0.2-0.35 mm	0.00787-0.01378 in
Ring, End Gap, Second Compression	0.35-0.5 mm	0.01378-0.01969 in
Sealants and Adhesives
Coolant Jacket Caps and Plugs, Freeze Plugs	Dry Seal-Lock Coated in Plug
Cylinder Head Gasket (in places indicated only)	Loctite® 5900, GM P/N 12346286, Canadian P/N 10953472
Oil Gallery Plug	Loctite® 242, GM P/N 9985283, Canadian P/N 10953489
Oil Pan Bolts, Oil Pan x Bedplate	Loctite® 5900, GM P/N 12346286, Canadian P/N 10953472
Valve System
Face Run Out - Maximum, All	0.03 mm	0.00118 in
Seat Run Out - Maximum, All	0.05 mm	0.00197 in
Valve Diameter Exhaust	25.7-25.9 mm	1.01181-1.01969 in
Valve Diameter Intake	30.1-30.3 mm	1.18504-1.19291 in
Valve Face Angle	90°-90° 40'
Valve Guide Inside Diameter	5.5-5.512 mm	0.21654-0.21701 in
Valve Lash Compensators	Hydraulic
Valve Seat Angle	89.5°-90°
Valve Seat Width Exhaust	1.4-1.8 mm	0.05512-0.07087 in
Valve Seat Width Intake	1.0-1.4 mm	0.03937-0.05512 in
Valve Stem Diameter Exhaust	5.465-5.470 mm	0.21480-0.21535 in
Valve Stem Diameter Intake	5.465-5.479 mm	0.21516-0.21571 in

Engine Mechanical Specifications 2.0L

Application	Specification
Application	Metric	English
Camshaft
Bearing Journal OD	24.95-24.97 mm	0.98228-0.98307 in
Camshaft Cap to Bearing Journal Clearance	0.03-0.071 mm	0.00118-0.00280 in
Lift - Exhaust	9 mm	0.35 in
Lift - Intake	10 mm	0.39 in
Connecting Rod Journal
Diameter, All	47.2-47.212 mm	1.8583-1.8587 in
Out of Round, Maximum	0.008 mm	0.00031 in
Rod Bearing Clearance	0.031-0.065 mm	0.00122-0.00256 in
Rod Bearing Play	0.080-0.260 mm	0.00315-0.01024 in
Crankshaft
End Play	0.055-0.265 mm	0.002-0.010 in
Main Bearing Clearance, All	0.019-0.049 mm	0.00075-0.000193 in
Main Journal - Diameter, All	57.980-58.000 mm	2.2827-2.2835 in
Main Journal - Radial Run Out, Shave Support on No. 1 and No. 7 Bearings Measured at No. 4 Journal	0.06 mm	0.00236 in
Service Oversize	None
Cylinder Bore
Block Face Distortion	0.1 mm	0.0039 in
Cylinder Bore Taper, Maximum	0.01 mm	0.0004 in
Diameter	74.994-75.010 mm	2.9525-2.9531 in
Out of Round, Maximum	0.01 mm	0.0004 in
Oversize--Measure Replacement Piston Before Re-boring	None
Piston Protrusion	0.132 mm	0.0052 in
Cylinder Head
Minimum Overall Height After Machining	128.2 mm	5.0472 in
Overall Height	128.2-128.4 mm	5.04724-5.05512 in
Valve Guide Height	11.7-12.0 mm	0.46063-0.47244 in
Valve Stem Protrusion	27 mm	1.063 in
General Data
Bore Stroke	75 x 75.2 mm	2.95 in x 2.96 in
Compression Ratio	10.2:1
Displacement	1993 cm³	121.62 in³
Engine Type	6 Cylinder, In-Line
Firing Order	1-5-3-6-2-4
Oil Pump
End Clearance, TIP Clearance	0.02-0.16 mm	0.00079-0.00630 in
Inner Gear to Crescent	0.02-0.07 mm	0.00079-0.00276
Outer Gear to Body	0.1-0.19 mm	0.00394-0.00748 in
Outer Gear to Crescent	0.02-0.07 mm	0.00079-0.00276 in
Piston
Clearance to Bore	0.01 to 0.032 mm	0.00055 to 0.00126 in
Diameter	74.970-74.99 mm	2.9516-2.9527 in
Ring End Gap
Top	0.2-0.4 mm	0.00787-0.01575 in
2nd	0.2-0.4 mm	0.00787-0.01575 in
Oil	0.2-0.7 mm	0.00787-0.02756 in
Piston Pin
Clearance: In Piston	0.009-0.019 mm	0.00035-0.00075 in
Clearance: In Rod	Interference Fit in Rod, -0.010 to -0.025 mm
Diameter	18.995-19.000 mm	0.74783-0.74803 in
Length	55.7-56.0 mm	2.193-2.205 in
Pin Offset (Toward Thrust Side)	0.8 mm	0.0315 in
Sealants and Adhesives
Coolant Jacket Caps and Plugs, Freeze Plugs	Dry Seal-Lock Coated in Plug
Cylinder Head Gasket (in places indicated only)	Loctite® 5900, GM P/N 12346286, Canadian P/N 10953472
Oil Gallery Plug	Loctite® 242, GM P/N 9985283, Canadian P/N 10953489
Oil Pan Bolts, Oil Pan x Bedplate	Loctite® 5900, GM P/N 12346286, Canadian P/N 10953472
Valve System
Face Run Out - Maximum, All	0.03 mm	0.00118 in
Seat Run Out - Maximum, All	0.05 mm	0.00197 in
Valve Diameter Exhaust	24.9-25.1 mm	0.98032-0.98819 in
Valve Diameter Intake	29.3-29.5 mm	1.15354-1.16142 in
Valve Face Angle	90° 25'-90° 55'
Valve Guide Inside Diameter	5.5-5.512 mm	0.21654-0.21701 in
Valve Lash Compensators	Hydraulic
Valve Seat Angle	89.5°-90°
Valve Seat Width Exhaust	1.4-1.8 mm	0.05512-0.07087 in
Valve Seat Width Intake	1.0-1.4 mm	0.03937-0.05512 in
Valve Stem Diameter Exhaust	5.465-5.470 mm	0.21480-0.21535 in
Valve Stem Diameter Intake	5.465-5.479 mm	0.21516-0.21571 in