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Thread: 1983 g.m. fuel vent ?

  1. #1
    Join Date
    Feb 2011
    Location
    fingerlakesny
    --
    2,835

    1983 g.m. fuel vent ?

    got a 3 line system = 1 to fuel pump on engine block from the tank ... 1 return from pump to tank and 1 vent from gas tank 2 charcoal filter by radiator. I ordered a new 3 tube sending unit but it came a 2 unit....ugh.. the new tank does not have any pipes for a vent ...will this still work or do I need the vent hooked up ? on a 1983 olds delta 88
    our original 85 we bought new, 2 - 86 police specials
    250r dust runner
    04 Yamaha kodiaK 450 snowbuster ! Brute Force 750 dust collector .
    Bunch of es stuff I been buying for next builds....
    Gone but lives on in my aching body the mighty 350x collection . A Beat 85 es im gonna rebuild

  2. #2
    Join Date
    May 2010
    Location
    TTown, Alabama, United States
    --
    845
    gah i wish i could help you out but if i remember right my car has the two line one and it built up pressure in the tank and whooshed when you undid the filler but caused no other problems... I will try to look this afternoon and see what I've got. Yours has the 24 gallon tank?
    Suicide Hill Survivor

    The rides:
    1981 ATC110
    1982 ATC185
    1983 ATC185s
    1984 ATC200es
    1985 ATC200x

    When the going gets tough, the tough get sideways

  3. #3
    Join Date
    Apr 2011
    Location
    Mexico
    --
    9,001
    Not sure what your motivation is, but I changed mine on a 2007 Avalanche due to issues with trying to fill the tank and the only positive result was slightly better gas mileage due to the lighter weight of my wallet after the purchase. Zero improvement to the pump kicking out issue that motivated me to make the change.

  4. #4
    Join Date
    Feb 2011
    Location
    fingerlakesny
    --
    2,835
    Suplier says they will send the correct unit. .. Hopefully but delayed another week prolly. Yes bought a new 24 gallon tank and ordered 3 line sending unit. They sent a 2 pipe unit. Just wondering if it could be used without a vent.
    our original 85 we bought new, 2 - 86 police specials
    250r dust runner
    04 Yamaha kodiaK 450 snowbuster ! Brute Force 750 dust collector .
    Bunch of es stuff I been buying for next builds....
    Gone but lives on in my aching body the mighty 350x collection . A Beat 85 es im gonna rebuild

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