- 280 S - 28°BTDC
- 280 SE - 32°BTDC
- 350SE, from 1972 - 34°BTDC
- 350 SE since 1973 - 30°BTDC
- 450 SE/SEL - 30°BTDC
Distributor
The order of operation of the cylinders
- six-cylinder engine - 1-5-3-6-2-4
- eight-cylinder engine - 1 - 5- 4- 8- 6- 3- 7- 2
Bosch ignition switch - No. 0 227 051 024
Ignition coil
Additional resistance, nominal value at 20°C
- 280 SE - 1 resistor, red bracket, 1.8-1.6 ohm
- 280 SE, 350 SE, 450 SE - 2 resistors, blue mounting bracket, 0.4±0.05 Ohm; metal bracket 0.6±0.05 Ohm
Ignition coil voltage, breaker closed
- 280 S - min 5.0 V, measured at terminal 15
- other motors - 0.7-1.5 V, measured at terminal 1
Spark plug
- Type of candles - select according to the catalogs of manufacturers
Gap between electrodes — 0.8 mm