| Engine |
| Type |
20 T4 - 16 valve D.O.H.C |
| Cylinder arrangement |
4 in line - transverse |
| Bore - liner |
84.45mm |
| Stroke |
89mm |
| Capacity |
1994cm3 |
| Firing order |
1-3-4-2 |
| Rotation |
Clockwise |
| Valve Timing |
Naturally aspirated |
Turbo |
| Inlet: Opens at |
22deg B.T.D.C |
10deg B.T.D.C |
| ...... Closes at |
38deg A.B.D.C |
50deg A.B.D.C |
| Exhaust: Opens at |
50deg B.B.D.C |
50deg B.B.D.C |
| ...... Closes at |
10deg A.T.D.C |
10deg A.T.D.C |
| Valve open period |
240deg |
| Lubrication |
| System Type |
Wet sump, crankshaft driven eccentric rotor pump. |
| Relief valve opening pressure |
4.1 bar (above 80degC) |
| Pressure at idle |
1.0 bar (above 80degC) |
| Maximum oil pressure at 6500 rev/min |
7.0 bar (below 40degC) |
| Oil pressure warning light switch opens |
0.3 - 0.5 bar |
| Oil filter |
Full flow with renewable element cartridge |
| Fuel Pump |
| Type |
Electric immersible. |
| Pump maximum pressure |
5 bar |
| Regulated injection pressure range |
| 3.0 bar |
| Cooling System |
| Pressure cap opens |
0.9 to 1.0 bar |
| Thermostat open |
92 to 94 degC |
| Starts to open |
88 degC |
| Cooling fan switch on temperature |
96 to 100 degC |
| Clutch |
| Type |
Diaphragm spring, cable operated self adjusting |
| Clutch plate diameter |
| NA |
215 mm |
| Turbo |
228 mm |
| Clutch cable colour code |
| R.H. steering |
WHITE |
| L.H. steering |
BLUE |
| Manual Gearbox 'PG1' |
| Gearbox code |
| 220 NA |
220 TURBO |
420 (all) |
| PG1 K4 |
PG1 K7 |
PG1 K6 |
| Gear ratios |
| Fifth |
0.765 : 1 |
| Fourth |
0.935 : 1 |
| Third |
1.222 : 1 |
| Second |
1.750 : 1 |
| First |
2.923 : 1 |
| Reverse |
3.000 : 1 |
| Brakes |
| Disc Diameter |
| Front |
262 mm |
| Rear |
239 mm |
| Pad minimum thickness |
3 mm |
| Servo boost ratio |
4.6 : 1 |
| ABS Model |
Bosch ABS2E |
| Master Cylinder bore diameter |
23.8 mm |
| Tyre Sizes |
| 5.5 x 14 steel |
175/70 - R14 82T |
220SLi, 420Si, 420SLi |
| norm 2.1 bar(30lbf/in2) >100mph 2.2 bar(32lbf/in2) |
| 6 x 15 alloy |
185/55 - R15 81V |
220 SLi, 420Si, 420SLi (option), 220Gsi, 220 Coupe, 420 Gsi |
| norm 2.2 bar(32lbf/in2) >100mph 2.7 bar(39lbf/in2) |
| 6 x 15 alloy |
195/55 - ZR15 |
220 Coupe Turbo, 220 Gsi Turbo |
| norm 2.2 bar(32lbf/in2) >100mph 2.7 bar(39lbf/in2) |
| Electrical |
| System |
12V negative earth |
| Battery |
| Type - Maintenance Free |
011 |
| Cold crank capacity |
460 amps |
| Reserve capacity |
90 amps |
| Alternator |
| Type |
A133 - 80 |
| Maximum output |
80 amp at 6000 rev/min |
| Regulator |
15TR |
| Starter motor |
Temperate |
Cold climate |
| Type |
M79 |
M78R |
| Power |
1.0 kW |
1.4 kW |
