Ignition Timing: Specifications

Ignition distributor Bosch designation 0 237 401 010
Adjusting value with vacuum at idle speed TDC*
Centrifugal advance without vacuum at:
1500 rpm 11 - 15°
3500 rpm 22 - 26°
Vacuum adjustment towards:
Retard at idle speed N/A
Advance at 3000 rpm 15 - 17° at idle
Distributor installation value at
cranking speed without vacuum TDC


*Vacuum disconnected