Descriptive/Dimensional Specifications
| Engine General | Design | 90 DEGREES V | |
| Cylinders | 8 Count (ct) | ||
| Bore | 92 Millimeter (mm) | ||
| Stroke | 82.7 Millimeter (mm) | ||
| Effective displacement | 4398 Cubic Centimeter (cc) | ||
| Compression ratio | 10.0 To 1 (: 1) | ||
| Max. top speed | rpm | 6100 | |
| Compression pressure | Approx. Equal Value For All Cylinders | 12-14 BAR minimum | |
| Engine Block | Bore diameter | New Condition | 92.000 + 0.014 mm |
| Permitted conicity of cylinder bore | New condition | 0.007 mm | |
| Permitted total wear clearance between piston and cylinder | engine run in | 0.10 mm | |
| Cylinder Head | Cylinder Head Height | Original Height | 140.0 mm |
| Machining limit | 139.7 mm | ||
| Valve guide inner diameter (installed) Valve guides are not available as replacement parts. | Standard | 6.0 H7 mm | |
| Size 1 | 6.1 H7 mm | ||
| Size 2 | 6.2 H7 mm | ||
| Max. tilt clearance | wear between valve and valve guide | 0.5 mm | |
| Camshaft bearing | Width of bearing thrust (cylinder head) | 21.90 - 0.06 mm | |
| Cylinder Head With Valve Seat | Valve seat angle | 45 degrees | |
| Correction Angle | Outside | 15 degrees | |
| Inside | 60 degrees | ||
| Valve seat width (dimension "B") | Intake | 1.25 +- 0.25 mm | |
| Exhaust | 1.65 +- 0.35 mm | ||
| Valve Seat Outside diameter | Intake | 34.5 mm | |
| Exhaust | 30.0 mm | ||
| Crankshaft and Bearings | Ground sizes of main bearing journals | Standard yellow | 69.984 +0.006 |
| Standard green | 69.977 +0.006 mm | ||
| Standard white | 69.971 +0.005 mm | ||
| Undersize 1 (U 0.25) yellow | 69.734 +0.006 mm | ||
| Undersize 1 (U 0.25) green | 69.727 + 0.006 mm | ||
| Undersize 1 (U 0.25) white | 69.721 + 0.005 mm | ||
| Undersize 2 (U 0.50) yellow | 69.484 + 0.006 mm | ||
| Undersize 2 (U 0.50) green | 69.477 + 0.006 mm | ||
| Undersize 2 (U 0.50) white | 69.471 + 0.005 mm | ||
| Undersize 3 (U 0.75 mm) yellow | 69.234 + 0.006 mm | ||
| Undersize 3 (U 0.75) green | 69.227 + 0.006 mm | ||
| Undersize 3 (U 0.75) white | 69.221 + 0.005 mm | ||
| Radial crankshaft bearing play | 0.020 to 0.046 mm | ||
| Ground sizes of crankshaft thrust bearing | Standard | 32.0 F8 mm | |
| Size 1 | 32.2 F8 mm | ||
| Size 2 | 32.4 F8 mm | ||
| Size 3 | 32.6 F8 mm | ||
| Axial crankshaft play | 0.085 to 0.257 | ||
| Ground sizes of conrod bearing journals | Standard | 48.00 -0.009 -0.025 mm | |
| Size 1 | 47.75 -0.009 -0.025 mm | ||
| Size 2 | 47.50 -0.009 -0.025 mm | ||
| Size 3 | 47.25 -0.009 -0.025 mm | ||
| Radial conrod bearing play | 0.020 to 0.056 mm | ||
| Maximum runout on center main bearing journal | Crankshaft Running On Outer Bearing Journals | 0.15 mm | |
| Connecting Rods and Bearings | Diameter Large connecting rod eye | Without Bearing | 52.000 to 52.013 mm |
| Bore In Conrod | For Conrod Bush | 24 +0.021 -0.005 mm | |
| Conrod Bush | Inside Diameter | 22 +0.012 +0.005 mm | |
| Maximum Deviation In Parallel Of Conrod Bores With Bearing Shells | At Distance Of 150 mm | 0.04 mm | |
| Max. permitted displacement to one side | 0.5 degrees | ||
| Permitted Deviation In Weight Of Connecting Rods | Without Bearing Shells | +- 3 grams | |
| Pistons with Rings and Pins Pistons and pins are matched - only replace them together. | Measuring point "A" (position) | 12 mm | |
| Piston Diameter At Measuring Point "A" Refer to Repair Instructions for procedure. | 91.976 to 91.994 mm | ||
| Piston Running Clearance | Engine Operated | 0.006 0.038 mm | |
| Max. Total Wear Clearance | Between Piston And Cylinder | 0.1 mm | |
| 1st groove (plain compression ring) | End clearance | 0.1 to 0.3 mm | |
| End float | 0.02 to 0.060 mm | ||
| 2nd groove (taper face ring) | End clearance | 0.2 to 0.4 mm | |
| End float | 0.02 to 0.060 mm | ||
| 3rd groove (three piece steel band ring) | End clearance | 0.2 to 0.9 mm | |
| End float | Does not have to be measured | ||
| Camshaft | Width of bearing thrust (camshaft) | 22.10 +0.10 mm | |
| Bearing radial play | 0.040 to 0.074 mm | ||
| Bearing end float | 0.20 to 0.36 mm | ||
| Valves with Springs | Plate Diameter | Intake Standard | 35.0 mm |
| Exhaust Standard | 30.5 mm | ||
| Shaft Diameter | Intake Standard | 6.0 -0.025 -0.040 mm | |
| Exhaust Standard | 6.0 -0.040 -0.055 mm | ||
| Shaft Diameter Valve Versions Available For Repairs | Intake Size 1 | 6.1 -0.025 -0.040 mm | |
| Intake Size 2 | 6.2 -0.025 -0.040 mm | ||
| Exhaust Size 1 | 6.1 -0.040 -0.055 mm | ||
| Exhaust Size 2 | 6.2 -0.040 -0.055 mm | ||
| Oil Change Volume | With Oil Filter | 7.5 liters | |
| Oil Pump with Strainer and Drive | Oil pressure at idle speed with engine at operating temperature | Minimum | 0.5 bar |
| Regulated pressure | 4.5 bar | ||
| Fan Coupling | Switch-On Temperature | 95 � 4 degrees C | |
| Switch-off temperature degrees | 60 degrees C | ||
| Tilt play of bearing | With Diameter 156 mm | +-0.65 mm | |
| Thermostat and Connections | Opening Temperature | Stamped In Thermostat | 85 degrees C |