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Buick
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1967
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Wildcat Base, Eng CD ND, Not Available Trans
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Repair and Diagnosis (Single Page)
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Engine Performance
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Tune-Up
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Tune-Up
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Engine Identification
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Ignition Timing
Ignition Timing
Set timing with distributor vacuum line disconnected and engine idling.
V6
5° BTDC
V8
2 1/2° BTDC
Fig 1: V6 Firing Order
Courtesy of GENERAL MOTORS COMPANY
Fig 2: V8 Firing Order
Courtesy of GENERAL MOTORS COMPANY