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Home >> Pontiac >> 1968 >> GTO Automatic Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> Tune-Up >> Tune-Up - V8 >> Tune-Up Notes >> Ignition Timing
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Ignition Timing

Set timing at idle speed with distributor vacuum lines disconnected and opening closed. Be sure idle stop solenoid is disconnected (solenoid inactive speed). 

V8 (All) 9° BTDC