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To determine the start of the firing order, remove the distributor cap and inspect distributor housing for cylinder 1 mark (arrow).


The ignition rotor turns in a counterclockwise direction.

Spark plug wires must be installed so that the spark plugs fire in the correct order.

Ignition firing order
  • Porsche 911 SC...1-6-2-4-3-5

Before Performing any Work

Please read Cautions and Warnings before proceeding with any work on your vehicle

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Distributor rotation - page 280-2 (P983)

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