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1981
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928 Automatic Trans
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Tune-Up - V8
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Ignition Timing
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Ignition Timing Specifications
Ignition Timing Specifications
Application
RPM
Timing
All Models
3000
(1)
23° BTDC
(1)
With distributor vacuum advance hoses disconnected and plugged.
Fig 1: Timing Marks on Crankshaft Pulley
Courtesy of PORSCHE CARS NORTH AMERICA, INC.