The ignition timing to TDC at a crankshaft speed of 900-1000 rpm should be 10°.
Warm up the engine (oil temperature 30-60°C).
Adjust the idle speed of the engine within 900-1000 rpm.
Disconnect the hose from the vacuum distributor ignition timing controller.
Connect the VW 1267 device or stroboscope in accordance with the instruction manual.
Aim a flashing strobe light at the crankshaft pulley. If the ignition timing is set correctly, then the mark on the pulley should align with the edge of the protrusion «Z» indicator on the cylinder block.
To adjust the ignition timing, stop the engine, loosen the locking screw of the ignition distributor flange and turn the distributor housing to the required angle.
Tighten the locking screw of the flange and check the ignition timing again.
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