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Engine Mechanical Specifications Cadillac ELR I

ApplicationSpecification
MetricEnglish
General Data
Engine Type4-Cylinder Inline
Displacement1398 ccm85 cu in
Bore73.4 mm2.9 in
Stroke82.6 mm3.3 in
Compression Ratio10.5 : 1
Number of Valves16
Maximum Power @ engine speed kW/RPM55 KW / 4200
Maximum Torque @ engine speed /RPM / lbf ft/RPM123 / 400091 lbf ft / 4000
Engine Block, Crankshaft, Pistons, and Connecting Rods
Cylinder Bore Diameter Standard73.392 mm - 73.408 mm2.8894 in - 2.8901 in
Cylinder Bore Diameter Oversize 0.573.892 mm - 73.908 mm2.9091 in - 2.9098 in
Piston Diameter Standard73.353 mm - 73.367 mm2.8879 in - 2.8885 in
Piston Diameter Oversize 0.573.853 mm - 73.867 mm2.9076 in - 2.9081 in
Piston Clearance to Bore0.025 mm -0.055 mm0.001 in - 0.0022 in
Piston - Upper Compression Ring Thickness1.17 mm - 1.195 mm0.0461 in 0.0470 in
Piston - Upper Compression Ring Gap0.25 mm - 0.4 mm0.0098 in - 0.0157 in
Piston - Upper Compression Ring Side Clearance0.025 mm - 0.07 mm0.001 in - 0.0028 in
Piston - Lower Compression Ring Thickness1.17 mm - 1.195 mm0.0461 in 0.0470 in
Piston - Lower Compression Ring Gap0.4 mm - 0.6 mm0.0157 in - 0.0236 in
Piston - Lower Compression Ring Side Clearance0.025 mm - 0.07 mm0.001 in - 0.0028 in
Piston - Oil Ring Thickness1.92 mm - 2 mm0.0756 in - 0.0787 in
Piston - Oil Ring Gap0.25 mm - 0.75 mm0.0098 in - 0.0295 in
Piston - Oil Ring Side Clearance0.04 mm - 0.12 mm0.0016 in - 0.0047 in
Piston Pin Bore Diameter18.006 mm - 18.012 mm0.7089 in - 0.7091 in
Piston Pin Outer Diameter17.995 mm - 18 mm0.7085 in - 0.7087 in
Piston Pin Length52.7 mm - 53 mm2.0748 in - 2.0866 in
Piston Pin Clearance to Piston Bore0.006 mm - 0.017 mm0.0002 in - 0.0007 in
Piston Pin Clearance to Conrod BoreShrinked in Conrod
Crankshaft Balancer Clearance to Engine Front Cover4.5 mm0.1772 in
Crankshaft Bearing Journal Standard Diameter (brown or green)50.004 mm - 50.017 mm1.9687 in - 1.9692 in
Crankshaft Bearing Journal Undersize 0.25 Diameter (brown/blue or green/blue)49.754 mm - 49.767 mm1.9588 in - 1.9593 in
Crankshaft Bearing Journal Undersize 0.5 Diameter (brown/white or green/white)49.504 mm - 49.517 mm1.949 in - 1.9495 in
Crankshaft Bearing Journal Width Standard23.000 mm - 23.052 mm0.9055 in - 0.9076 in
Crankshaft Bearing Journal Width Undersize 0.2523.200 mm -23.252 mm0.9134 in - 0.9154 in
Crankshaft Bearing Journal Width Undersize 0.423.400 mm - 23.452 mm0.9213 in - 0.9233 in
Crankshaft Bearing Mark 328N (brown) - Thickness1.989 mm -1.995 mm0.0783 in - 0.0785 in
Crankshaft Bearing Mark 329N (green) - Thickness1.995 mm - 2.001 mm0.0785 in - 0.0788 in
Crankshaft Bearing Mark 330N - Thickness Undersize 0.25 (brown/blue)2.114 mm - 2.120 mm0.0832 in - 0.0835 in
Crankshaft Bearing Mark 331 - Thickness Undersize 0.25 (green/blue)2.120 mm - 2.126 mm0.0835 in - 0.0837 in
Crankshaft Bearing Mark 332 - Thickness Undersize 0.5 (brown/white)2.239 mm - 2.245 mm0.0881 in - 0.0884 in
Crankshaft Bearing Mark 332 - Thickness Undersize 0.5 (green/white)2.245 mm - 2.251 mm0.0884 in - 0.0886 in
Crankshaft Bearing Clearance0.007 mm - 0.031 mm0.0003 in - 0.0012 in
Crankshaft Bearing Clearance Axial0.100 mm - 0.202 mm0.0039 in - 0.008 in
Crankshaft Bearing Out Of Round0.03 mm0.0012 in
Conrod Bearing Journal Diameter Standard42.971 mm - 42.987 mm1.6918 in - 1.6924 in
Conrod Bearing Journal Diameter Undersize 0.25 (blue)42.721 mm - 42.737 mm1.6819 in - 1.6826 in
Conrod Bearing Journal Diameter Undersize 0.5 (white)42.471 mm - 42.487 mm1.6721 in - 1.6727 in
Conrod Bearing Thickness Standard1.490 mm - 1.500 mm0.0587 in - 0.0591 in
Conrod Bearing Thickness Undersize 0.251.615 mm - 1.625 mm0.0636 in - 0.064 in
Conrod Bearing Thickness Undersize 0.51.740 mm - 1.750 mm0.0685 in - 0.0689 in
Conrod Bearing Diameter Standard (upper and lower)1.490 mm - 1.500 mm0.0587 in - 0.0591 in
Conrod Bearing Diameter Undersize 0.25 (upper and lower)1.615 mm - 1.625 mm0.0636 in - 0.064 in
Conrod Bearing Diameter Undersize 0.5 (upper and lower)1.740 mm - 1.750 mm0.0685 in - 0.0689 in
Conrod Bearing Clearance0.013 mm - 0.061 mm0.0005 in - 0.0024 in
Cylinder Head And Valve Train
Cylinder Head - Surface Flatness (max) Block Deck - longitude0.05 mm0.00197 in
Cylinder Head - Surface Flatness (max) Block Deck - transverse0.03 mm0.00118 mm
Cylinder Head - Intake Valve Seat Width1.4 mm - 1.8 mm0.0551 in - 0.0709 in
Cylinder Head - Exhaust Valve Seat Width1 mm - 1.4 mm0.0394 in - 0.0551 in
Cylinder Head - Valve Seat Angle Standard90° 30'
Cylinder Head - Valve Seat Angle Oversize110°
Cylinder Head - Intake Valve Guide Inner Diameter Standard4.991 mm - 5.007 mm0.1965 in - 0.1971 in
Cylinder Head - Intake Valve Guide Inner Diameter + 0.0755.066 mm - 5.082 mm0.1994 in - 0.2001 in
Cylinder Head - Intake Valve Guide Inner Diameter 0.1505.141 mm - 5.157 mm0.2024 in - 0.203 in
Cylinder Head - Exhaust Valve Guide Inner Diameter Standard4.991 mm - 5.007 mm0.1965 in - 0.1971 in
Cylinder Head - Exhaust Valve Guide Inner Diameter + 0.0755.066 mm - 5.082 mm0.1994 in - 0.2001 in
Cylinder Head - Exhaust Valve Guide Inner Diameter + 0.1505.141 mm - 5.157 mm0.2024 in - 0.203 in
Cylinder Head - Valve Guide Length38.7 mm - 39.3 mm1.5236 in - 1.5472 in
Intake Valve Length Standard92.9 mm3.6575 in
Exhaust Valve Length Standard92.7 mm3.6496 in
Intake Valve Stem Diameter Standard4.950 mm - 4.965 mm0.1949 in - 0.1955 in
Exhaust Valve Stem Diameter Standard4.930 mm - 4.945 mm0.1941 in - 0.1947 in
Intake Valve Stem Diameter + 0.0755.025 mm - 5.040 mm0.1978 in - 0.1984 in
Exhaust Valve Stem Diameter + 0.0755.005 mm - 5.020 mm0.197 in - 0.1976 in
Intake Valve Stem Diameter + 0.1505.100 mm - 5.115 mm0.2008 in - 0.2014 in
Exhaust Valve Stem Diameter + 0.1505.080 mm - 5.095 mm0.2000 in - 0.2006 in
Intake Valve Disc Diameter27.9 mm - 28.1 mm1.0984 in - 1.1063 in
Exhaust Valve Disc Diameter24.9 mm - 25.10.9803 in - 0.9882 in
Valve Spring Height Free40 mm1.5748 in
Valve Spring Height Under Load - Valve Open21.5 mm0.8465 in
Valve Spring Height Under Load - Valve Closed30 mm1.1811 in
Valve Clearance to Guide Intake0.026 mm - 0.057 mm0.001 in - 0.0022 in
Valve Clearance to Guide Exhaust0.046 mm - 0.077 mm0.0018 in - 0.0030 in
Engine Oil
QualityDexos I
Filling - With New Oil Filter3.5 L3.7 Quarts
Viscosity5W30 GF-4
Oil Pressure @ Idle Speed150 kpa22 psi
Oil Pressure @ 3000 rpm - 3500 rpm380 kpa - 650 kpa55 psi - 94 psi
Oil Pump
Axial Clearance Vane Rotor to Cover0.01 mm0.0004 in
Axial Clearance Vane to Cover0.09 mm0.0036 in
Axial Clearance Vane Ring to Cover0.04 mm0.0016 in
Axial Clearance Slide to Cover0.08 mm0.0031 in
Axial Clearance Slide Seal to Cover0.09 mm0.0036 in
Radial Clearance Vane to Vane Rotor0.05 mm0.002 in
Oil Pump Slide Spring Length76.5 mm3.0118 in
Radial Clearance Vane to Slide0.2 mm0.008 in

Engine Mechanical Specifications