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Old 12-31-2023, 08:20 PM   #2
Steeveedee
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Join Date: Jan 2013
Location: Simi Valley, CA
Posts: 10,122
Re: 1969 GMC 1500 stumbles / stalls from dead stop

Sure sounds like low float/accelerator pump shot is weak to me. The vacuum advance isn't the issue- some vehicles run without it, no problem.
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'70 Chevy 3/4T Longhorn CST 402/400/3.56 Custom Camper

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