| General information | |
| Cylinder arrangement | V-shaped, 8 cylinders, with a 90°C angle. Cylinder numbering is from the front of the engine. Cylinder #1 is in the right half-block, cylinder #5 is in the left half-block. |
| Cylinder diameter | 92.00 mm (3.622 inches) |
| Piston stroke | 82.70 mm (3.255 inches) |
| Working volume | 4398 cm³ (268.31 in³) |
| Cylinder firing order | 1 - 5 - 4 - 8 - 6 - 3 - 7 - 2 |
| Compression ratio | 10 |
| Direction of rotation | Clockwise when viewed from the front of the engine |
| Nominal power: | 210 kW (285 hp) at 5400 rpm |
| Maximum torque: | 440 Nm (324 ft·lbs) at 3600 rpm |
| Idle speed: | |
| The air conditioning compressor is off | 600 |
| The air conditioning compressor is on | 700 |
| The air conditioning compressor is on (during the "Power Balance" test) | 750 |
| Spark plugs: | |
| For all countries except USA and Canada | NGK BKR 6EK |
| For USA and Canada | BOSCH F8 LDCR |
| Gap between electrodes | Not regulated |
| Types of gasoline used: | |
| For all countries except USA and Canada | Unleaded gasoline with an octane number of at least 95 by the research method |
| For USA and Canada | AKI with octane rating 90 - 92 |
| Cylinder head | |
| Cylinder Head Height: New Head | 140.0 mm (5.5 in) |
| Non-flatness of the mating surface | 0.05 mm (0.0019 inches) |
| Allowance for machining the mating surface | 0.3 mm (0.012 inches) |
| Inner diameter of valve guides: | |
| Nominal value | 6.0 mm (0.236 inches) |
| 1st repair size | 6.1 mm (0.240 inches) |
| 2nd repair size | 6.2 mm (0.244 inches) |
| Sealing cone (chamfer) angle of valve seats - inlet and outlet valves | 45° |
| Sealing cone (chamfer) width of valve seats: Inlet valve | 1.25 ±0.25 mm (0.05 ±0.011 in) |
| Sealing cone (chamfer) width of valve seats: Exhaust valve | 1.65 ±0.35 mm (0.061 ±0.014 in) |
| Valve seat outer diameter: | |
| Inlet valve | 34.5 mm (1.36 inches) |
| Exhaust valve | 30.0 mm (1.21 inches) |
| Valve stem - guide clearance: | 0.5 mm (0.021 inches) |
| Width of bearings of support journals of camshafts | 21.90 mm +0.00 mm -0.06 mm (0.862 in +0.000 in -0.002 in) |
| Camshafts | |
| Width of camshaft bearing journals | 22.10 mm +0.10 mm -0.00 mm (0.87 in +0.004 in -0.000 in) |
| Bearing clearance | 0.040...0.074 mm (0.001...0.003 inches) |
| Axial clearance of the camshaft | 0.20...0.36 mm (0.008...0.014 inches) |
| Valves | |
| Valve disc diameter: | |
| Inlet valve | 35.0 mm (1.411 inches) |
| Exhaust valve | 30.5 mm (1,200 inches) |
| Valve stem diameter - inlet valve: | |
| Nominal value | 6.0 mm (0.24 inches) |
| Acceptable without repair | 5.96 mm (0.234 inches) |
| 1st repair size | 6.1 mm (0.240 inches) |
| Acceptable without repair | 6.06 mm (0.238 inches) |
| 2nd repair size | 6.2 mm (0.244 inches) |
| Acceptable without repair | 6.16 mm (0.242 inches) |
| Valve stem diameter - exhaust valves: | |
| Nominal value | 6.0 mm (0.24 inches) |
| Acceptable without repair | 5.94 mm (0.23 inches) |
| 1st repair size | 6.1 mm (0.240 inches) |
| Acceptable without repair | 6.04 mm (0.237 inches) |
| 2nd repair size | 6.2 mm (0.244 inches) |
| Acceptable without repair | 6.14 mm (0.242 inches) |
| Valve sealing cone angle - inlet and outlet valves: | 45° |
| Lubrication system | |
| Type | With wet sump and oil supply under pressure |
| Oil pump type | Crankshaft driven, with eccentric rotors |
| Oil filter | Replaceable filter element |
| Lubrication system pressure at idle (the engine is warmed up to operating temperature), not less | 0.5 bar (24 pounds per square inch) |
| Pressure maintained in the system by a relief valve | 4.5 bar (65 pounds per square inch) |
| Cylinder block | |
| Cylinder diameter: Nominal value | 92,000 mm (3.622 inches) |
| Cylinder diameter: Allowable without repair | 91.90 mm (3.618 inches) |
| Non-roundness of cylinders | 92.000 ±0.007 mm (3.622 ±0.003 in) |
| Crankshaft | |
| Main journal diameter: | |
| Nominal value - Yellow mark | 69,984 mm (2.755 inches) |
| Nominal value - Green mark | 69,977 mm (2.754 inches) |
| Nominal value - White mark | 69,971 mm (2.753 inches) |
| 1st repair - Yellow mark | 69,734 mm (2.746 inches) |
| 1st repair - Green mark | 69,727 mm (2.745 inches) |
| 1st repair - White mark | 69,721 mm (2.744 inches) |
| 2nd repair - Yellow mark | 69,484 mm (2.736 inches) |
| 2nd repair - Green mark | 69,477 mm (2.735 inches) |
| 2nd repair - White mark | 69,471 mm (2.735 inches) |
| 3rd repair - Yellow mark | 69.234 mm (2.726 inches) |
| 3rd Repair - Green Mark | 69.227 mm (2.725 inches) |
| 3rd Repair - White Mark | 69,221 mm (2.724 inches) |
| Main bearing clearance | 0.085...0.257 mm (0.0033...0.010 inches) |
| Axial clearance | 0.020...0.046 mm (0.0008...0.002 inches) |
| Out of roundness of main journals - when measured along the central journal | 0.15 mm (0.006 inches) |
| Thrust bearing width | 32.0...32.6 mm (1.260...1.283 inches) with a step of 0.2 mm (0.008 inches) |
| Crankshaft main bearings | |
| Transverse clearance: | |
| Yellow or green cervical mark | 0.006 mm (0.00023 inches) |
| White cervical mark | 0,005 (0.00020 inches) |
| Connecting rods | |
| Permissible difference in weight of connecting rods intended for installation on one engine (without bearing caps) | ±3.0 grams (0.10 oz) |
| Diameter (interior) connecting rod small end bushings: | |
| Nominal size | 22.0 mm (0.866 inches) |
| Acceptable without repair | 22,012 mm (0.867 inches) |
| Big end bearings | |
| Bearing diametrical clearance | 0.020...0.056 mm (0.0007...0.0022 inches) |
| Nominal diameter of the crank pin | 48.00 mm (1.891 inches) |
| Acceptable without repair | 47.97 mm (1.888 inches) |
| 1st repair size | 47.75 mm (1.879 inches) |
| Acceptable without repair | 47.72 mm (1.878 inches) |
| 2nd repair size | 47.50 mm (1.870 inches) |
| Acceptable without repair | 47.47 mm (1.860 inches) |
| 3rd repair size | 47.25 mm (1.860 inches) |
| Acceptable without repair | 47.25 mm (1.850 inches) |
| Pistons and piston rings | |
| Clearance in the connection between the piston skirt and the cylinder bore: | |
| Nominal value | 0.006...0.038 mm (0.0002...0.0014 inches) |
| Acceptable without repair | 0.1 mm (0.004 inches) |
| Piston rings: | 2 compression rings, 1 oil scraper ring |
| Upper compression ring | Rectangular profile |
| Lower compression ring | With a conical profile of the working surface |
| Oil scraper ring | Consists of three steel rings |
| Clearance in the piston ring lock when installed in the cylinder: | |
| Upper compression ring | 0.1...0.3 mm (0.003...0.011 inches) |
| Lower compression ring | 0.2...0.40 mm (0.008...0.016 inches) |
| Oil scraper ring | 0.2...0.9 mm (0.008...0.035 inches) |
| Piston groove - piston ring clearance: | |
| Upper compression ring | 0.02...0.060 mm (0.0008...0.0023 inches) |
| Lower compression ring | 0.02...0.060 mm (0.0008...0.0023 inches) |
| Oil scraper ring | Not measured |
| Crankshaft flange | |
| Axial runout - when measured on the outside diameter of the flywheel | 0.35 mm (0.014 inches) |
Information obtained from the website: lrman.ru
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