| Vehicle
identification |
| capacity |
2109cc³ |
| number
of cylinders/type |
4/overhead
valve |
| production
run |
02/1985
- 10/1992 |
| output |
70kW
- 95bhp DIN @ 4800RPM. |
| Torque |
160Nm
@ 2800 RPM. |
| Bore |
94
mm |
| Stroke |
76
mm |
| Compression
ratio. |
9:1 |
| minimum
octane rating |
91 |
| ignition
system |
ECU
controlled with hall effect trigger |
| trigger
location |
distributor |
| fuel
system |
Bosch
Digifant injection - combined ignition and fuel ECU |
| type |
multi
point fuel injection - intermittent |
| air
metering |
flow |
| Valve
timing at 1mm lift. |
| Inlet
opens. |
10°
BTDC |
| Inlet
closes. |
48° ABDC |
| Exhaust
opens. |
50°
BBDC |
| Exhaust
closes. |
0°
ATDC |
| Valve
dimensions. |
|
Inlet head diameter. |
40
mm |
| Inlet
stem diameter. |
7.96
- 7.97 mm |
| Inlet
overall length. |
122.5
mm |
| Inlet
valve seating face angle. |
45° |
| Exhaust
head diameter |
34mm |
| Exhaust
stem diameter |
8.91
- 8.92 mm |
| Exhaust
overall length |
122.5 |
| Exhaust
valve seating face angle |
45° |
| Tuning
and Emission |
| ignition
coil supply voltage |
11
volts |
| primary
resistance |
coil
green label .5-.8 ohms - coil grey label .6-.8 ohms |
| secondary
resistance |
coil
green label 2400-3500 - coil grey label 6900-8500 ohms |
| firing
order |
1
- 4 - 3 - 2 |
| distributor
part number |
Bosch
- 0 237 520 007 |
| ignition
timing |
5°±1°
BTDC @ 2250RPM with vacuum see note. |
| Ignition
advance checks |
ECU
controlled |
| idle
speed |
880±50
RPM see note |
| oil
temp for CO test |
80°C |
| CO
content @ idle |
.5
% volume MAXIMUM see note |
| HC
content @ idle |
100
parts per million |
| Service
checks and adjustments. |
| Spark
plugs |
Bosch
W5DCO/ W7CC0 |
| electrode
gap |
.7mm |
| valve
clearance |
hydraulic |
| compression
pressure |
10-13
bar (150 psi-195psi) |
| oil
pressure |
2
bar @ 2000RPM |
| Lubricants
and capacities. |
| Engine
oil grade |
10W30
(SF) |
| engine
oil capacity with filter |
4.5
litres |
| gearbox
oil grade |
80W-90W |
| gearbox
oil capacity |
3
litres (syncro 4.5 litres) |
| autobox
oil grade |
dexron
(final drive type 90W) |
| autobox
capacity |
3
litres (final drive capacity 1.25 litres) |
| Fuel
system. |
| System
pressure without vacuum |
3
bar |
| regulated
pressure with vacuum |
2.5
bar |
| coolant
temperature sensor |
275-375
ohms @ 80°C |
| injector
resistance |
15-20
ohms |
| idle
speed control valve |
2-10
ohms |
| oxygen
sensor heater resistance |
10-15
ohms |
| Tightening
torques. |
| Cylinder
head stage 1 |
10Nm |
| cylinder
head stage 2 |
25Nm |
| cylinder
head stage 3 |
50
Nm |
| big
end bearings |
45Nm
(1987 onwards 30 Nm +180°) |
| flywheel |
use
new bolts with locking compound - 60Nm + 90° |
| clutch
to flywheel |
20Nm |
| crank
pulley |
single
pulley 60Nm - 3 belt pulley 350Nm |
| rear
hub nut |
500Nm! |
| steering
track rod end |
30Nm |
| brake
caliper to hub |
35Nm |
| brake
caliper carrier to hub |
fixed
type caliper 160Nm - sliding caliper 270Nm |
| spark
plug |
25Nm |
| oxygen
sensor |
50Nm |
| Brake
disc and drum dimensions. |
| Minimum
brake disc thickness |
11mm |
| maximum
drum diameter |
253.5mm |
| |
|
