DG Engine Data

Engine code DG
   
Capacity 1913cc³
Number of cylinders/type 4/overhead valve
Production run 10/1982-10/1992
Output 57kW - 78bhp DIN @ 4600RPM (swiss - 54kW - 73bhp [email protected] RPM)
Torque 141Nm @ 2600 RPM. (swiss - 150 @ 2600 RPM)
Bore 94 mm
Stroke 68.9 mm
Compression ratio 8.6:1
Minimum octane rating 91 RON
Ignition system transistorized hall effect
Trigger location distributor
Fuel system Pierburg carburettor
Type 2E3 (possible 2E4 depending on equipment fitted)
Description carburettor - twin venturi
Valve timing at 1mm lift.  
Inlet opens 5° BTDC (1° from 01/86)
Inlet closes 34° ABDC( 30° from 01/86)
Exhaust opens. 38° BBDC (36° from 01/86)
Exhaust closes. 4°ATDC (8° from 01/86)
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 .57 to .75 ohms (.52-.76 1985-1992)
secondary resistance 2400 - 3500 ohms
firing order 1 - 4 - 3 - 2
distributor part number Bosch - 0 237 024 011 (0 237 024 035 - 1985-1992)
ignition timing 5°±1° BTDC without vacuum see note at bottom of page
Ignition advance checks 0°-2° @ 1500RPM w/o vacuum and basic timing (0-1 @1160)
  10°-14° @ 2400RPM w/o vacuum and basic timing (13-17 @2400)
  24°-28° @4200RPM w/o vacuum and basic timing (24-28 @4200)
vacuum advance range 12°-16° engine degrees
idle speed 900±50 RPM
oil temp for CO test 60°C
CO content @ idle 1.5±.5 % volume
HC content @ idle 300 parts per million
Service checks and adjustments.  
Spark plugs Bosch W7DTC ( W7CCO 1985-1992)
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
autobox oil grade dexron (final drive type 90W)
autobox capacity 3 litres (final drive capacity .75 litres)