TECHNICAL DATA
1986 928s MODEL
ENGINE M 28.43/44
Number of Cylinders---8
Bore---3.94 in./ 100mm
Stroke---3.11 in./78.9 mm
Displacement---302.5 cu.in. /4957 cm cubed
Compression Ratio---10 : 1
SAE net-horsepower SAE J 1349---288 hp/215 kW at 5750 rpm
SAE net-torque SAE J 1349---302 ft.lb /410 Nm at 2700 rpm
Max. permissible rpm---6400
Fuel octane rating---96 RON (92 CLC or AKI rating on fuel pumps in USA)UNLEADED FUEL ONLY
Spark plugs---Bosch WR 7 DC
Spark plug Gap---0.028-0.032 in. /0.7+0.1 mm
Battery capacity---12 volts, 88 Ah
Alternator output---1610 W / 115 A AC
Firing order---1-3-7-2-6-5-4-8
ENGINE DESIGN SPECIFICATIONS
Design---8 Cylinders in V configuration
Operating cycle---4 Stroke
Cooling---Water cooled
Lubricaton---Pressure-fed from sump
Cylinder block and head---Light metal alloy
Valve operation---2 overhead camshafts per cylinder bank
Camshaft---Toothed V-belt
Crankshaft---Forged
Fuel supply---Electric pump
Fuel injection---AFC (Air Flow Control)
WEIGHTS
Curb weight---3351 lbs./1520 Kg.
Max. load capacity---683 lbs./310 Kg.
Max. permissible weight---4123 lbs./1870 Kg.
Max. axle load, front*---1984 lbs./900 Kg.
Max. axle load, rear*---2205 lbs./1000 Kg.
Permissible rack load*---165 lbs./75 Kg.
*-Do not exceed maximum permissible weight
DIMENSIONS
Wheelbase---98.43 in./2500 mm.
Wheel track, front---61.00 in./1549 mm.
Wheel track, rear---59.88 in./1521 mm.---with spacers---61.53 in./1563 mm.
Turning circle (close to curb)---31 ft. 5 in./9,6 m.
Turning circle (wall to wall)---37 ft. 8 in./11,5 m.
Length---175.67 in./4462 mm.
Width---0.47 in./1282 mm.
Height (at curb weight)---50.47 in./1282 mm.
Ground clearance---4.72 in./120 mm.
PERFORMANCE
MANUAL TRANSMISSION
Maximum Speed---155 mph. (250 km/h)
Acceleration 0-60 mph.---6,1 seconds
Time for 1/4 mile---14,2 seconds
AUTOMATIC TRANSMISSION
Maximum Speed---150 mph. (242 km/h)
Acceleration 0-60 mph,---6,6 seconds
Time for 1/4 mile---14,9 seconds
Time for 1 km---26,8 seconds