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Vacuum waveform puzzle
Posted to Technical Discussion Forum on 2/11/1998 18 Replies

71 Olds V-8

On a power balance at idle, only 6 cylinders are hitting.

Vacuum waveforms were taken off the hose to the PCV which is at the base of the carb.

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Another view for the visually impaired.

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What 2 cylinders are not hitting and why... Login to read more.

18 Replies Received (View Replies)