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Fuel Pump

Discussion in 'The Garage' started by Tshane, Oct 6, 2003.

  1. Tshane

    Tshane 1/2 ton status

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    Just got a fuel pump at auto zone for my 86 shortbed. The pump has 3 hose hook up. I know one is fuel supply the other is return. Is the third for the vent?
     
  2. Confedneck

    Confedneck 3/4 ton status

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  3. Tshane

    Tshane 1/2 ton status

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    Is it needed?
     
  4. chevyjunky77

    chevyjunky77 Registered Member

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    If you ripped out the emissions try looking at an older pump they only have two connections. I am not real current on the newer models so it may not even come close to working.If not plug it.
     
  5. ryoken

    ryoken Puppy Fabricator Premium Member GMOTM Winner

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    all the newer marine small blocks run a pump like that. for those, it's a bypass for if the diaphram develops a leak, it runs up to the carb and dumps that overflow fuel into the carb at a port next to the fuel inlet... if the diaphram is undamaged it does nothing...
     

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