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Home >> Buick >> 1969 >> Wildcat Base, Not Available Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> Tune-Up >> Tune-Up >> Engine Identification >> Ignition Timing
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Ignition Timing

Set timing with distributor vacuum line disconnected and engine idling  .

400" Synchro-mesh 2H° ATDC
All Others TDC
Fig 1: Ignition Timing Marks
G09362592Courtesy of GENERAL MOTORS COMPANY
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