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Old 06-09-2020, 12:14 AM   #2
kwmech
Senior Member
 
Join Date: Mar 2003
Location: Colfax-California
Posts: 8,391
Re: 78 Suburban surging then dies on long grade

By your description it sounds like a fuel starvation issue. I would be checking all the rubber hoses, especially the ones near the fuel tank and maybe above. Could be a cracked hose. Another would be the pump itself starting to go out. I am assuming you have checked the fuel filter in the carb and replaced it
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