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Old June 25th, 2007, 04:04 PM   #3 (permalink)
88 coupe
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Hi Guys,

oldsmobile1915:

According to my Motor's Manual from the era (not as complete as my '49 Olds FSM) Olds first supplemented the automatic (centrifugal) spark advance with the vacuum unit in '36.

Can you tell me if the vacuum source was the intake manifold, or ported from the carburetor riser, just above the throttle valve?

Thanks, Norm
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None of us can know what we haven't learned yet .....
........ I saw Norm's "helpful" answer and encouragement as a slam ........
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