Descriptive/Dimensional Specifications

Engine Description	Design		90 degrees V
	Cylinder		8
	Bore		94
	Stroke		89.0
	Effective displacement		4941
	Compression ratio		11.0
	Power		394 at 6600
	Max. top speed rpm		7000
	Max. torque		500 at 3800
Engine Block, Cylinder Crankcase	Bore Diameter	New condition	94.000 - 94.014
	Permitted roundness deviation of cylinder bore	New condition	0.007
	Permitted total wear clearance between piston and cylinder	engine run in	0.10 mm
Cylinder Head with Cover	Cylinder head height		140.0 mm The cylinder head sealing surface must not be remachined.
	Valve guide interior Diameter (installed) Valve guides are not available as replacement parts.	Standard	6.0 H7 mm
		Size 1	6.1 H7 mm
	Max. tilt clearance	wear between valve and valve guide	0.5 mm
	Camshaft bearing	Width of bearing thrust (cylinder head)	21.89 - 21.93 mm
Cylinder Head with Valve Seat	Valve seat angle		45 Degrees
	Correction angle	outside	15 Degrees
		inside	60 Degrees
	Valve seat width (dimension "B")	Inlet	1.25 +- 0.25 mm
		Exhaust	1.65 +- 0.35 mm
	Outside Diameter of Valve Seat	Intake	34.5 mm
		Exhaust	30.0 mm
Crankshaft and Bearings	Ground sizes of main bearing journal Number 1	Standard yellow	69.964 + 0.006 mm
		Standard green	69.957 + 0.006 mm
		Standard white	69.951 + 0.005 mm
		Undersize 1 (U 0.25) yellow	69.714 + 0.006 mm
		Undersize 1 (U 0.25) green	69.707 + 0.006 mm
		Undersize 1 (U 0.25) white	69.701 + 0.005 mm
		Undersize 2 (U 0.50) yellow	69.464 + 0.006 mm
		Undersize 2 (U 0.50) green	69.457 + 0.006 mm
		Undersize 2 (U 0.50) white	69.451 + 0.005 mm
	Ground sizes of main bearing journals number 2 to 7	Standard yellow	69.984 + 0.006 mm
		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
	Radial crankshaft bearing play		0.025 to 0.050 mm
	Ground sizes of crankshaft thrust bearing	Standard	32.0 F8 mm
		Size 1	32.2 F8 mm
		Size 2	32.4 F8 mm
	Axial crankshaft play		0.085 to 0.257 mm
	Ground sizes of conrod bearing journals	Standard	49.00 -0.009to -0.025 mm
		Size 1	48.75 -0.009 to -0.025 mm
		Size 2	48.50 -0.009 to -0.025 mm
	Radial conrod bearing play		0.029 to 0.067 mm
	Max. runout on center main bearing journal	crankshaft running on outer bearing journals	0.075 mm
Vibration Damper	Max. radial runout		0.50 mm
	Max. axial runout		0.50 mm
Connecting Rods and Bearings	Diameter Large connecting rod eye	without bearing	53.000 to 53.013 mm
	Conrod bush	inside diameter	22 +0.017 to +0.013 mm
	Permitted deviation in weight of connecting rods	without bearing shells	9 +- 4 grams
Pistons with Rings and Pins	Measuring point "A" (position)		12 mm
	Piston Diameter at measuring point "A"		93.950 mm
	Piston running clearance		0.003 to 0.037 mm
	Max. total wear clearance between piston and cylinder	engine operated	0.1 mm
	1st groove (plain compression ring)	End clearance	0.15 to 0.25 mm
		End float	0.015 to 0.060 mm
	2nd groove (taper face ring)	End clearance	0.20 to 0.35 mm
		End float	0.020 to 0.060 mm
	3rd groove (Oil scraper ring with rubber lined spring)	End clearance	0.20 to 0.40 mm
		End float	0.020 to 0.060 mm
Camshaft	Width of bearing thrust (camshaft)		22.0 + 0.033
	Bearing 1	radial play	0.034 to 0.066 mm
	Bearings 2 to 5	radial play	0.027 to 0.053 mm
	Bearing end float		0.070 to 0.143 mm
Valves with Springs	Plate Diameter	Intake Standard	35.0 mm
		Exhaust Standard	30.5 mm
	Stem Diameter	Intake Standard		6.0 -0.025 to -0.040 mm
		Intake Size 1 These valve versions are available for repairs in addition to the standard valves:	6.1 -0.025 to -0.040 mm
		Exhaust Standard	6.0 -0.040 to -0.055 mm
		Exhaust Size 1 These valve versions are available for repairs in addition to the standard valves:	6.1 -0.040 to -0.055 mm
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
Oil Supply	Oil change volume	with oil filter	6.5 liter
Viscous Fan Coupling	Switch-on temperature		95 +- 4 degrees C
	Switch-off temperature		60 degrees C
	Tilt play of bearing	with diameter 156 mm	+- 0.65 mm
Engine Thermostat and Connections	Opening temperature Stamped in thermostat.		79 degrees C