MV Engine Data

Engine code MV
   
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 9.0:1
Minimum octane rating 91 RON
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
Description Air flow metered injection
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 Emmisions  
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
  880±50 RPM see note
  80°C
vacuum advance range  
idle speed  
oil temp for CO test  
CO content @ idle .5 % volume
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 @ 80°c 2 bar @ 2000RPM
Lubricants and capacities.  
Engine oil grade 10W30 (SF)
engine oil capacity with filter 4.5 litres
gearbox oil grade 80W-90W GL4
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