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Factory Gas Tank Capacity?

Discussion in '1969-1972 K5 Blazer | Truck | Suburban' started by aksidentproan, Mar 30, 2002.

  1. aksidentproan

    aksidentproan 1/2 ton status

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    My fuel gauge quit workin about a month ago so I'm going to start to figure out milage and I need to know how much gas the factory tank holds. Does anybody else have how much milage they get? I've got the stock 350 with 33's and 3.73 gears and my speedo reads 10mph fast/forums/images/icons/tongue.gif Thanks.

    Evan
     
  2. NITRO

    NITRO 1/2 ton status

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    look in the technical section of CK5. itll tell ya everything.

    NITRO
     
  3. 69K5

    69K5 1/2 ton status

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    i think the factory tank was 21 gallons
    sorry i cant help more
    nathan
     
  4. 69K5

    69K5 1/2 ton status

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    just looked in the technical. 23.5 stock for 69 -72
    nathan
     
  5. aksidentproan

    aksidentproan 1/2 ton status

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    Thanks

    Evan
     
  6. Burt4x4

    Burt4x4 3/4 ton status

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    All I know is my 72 had 21gallon stock tank not 23....even the Poly replacement tank I bought was 21 gallon. So was there ever a 23gallon for first Gen? I don't know....
     
  7. stylin6

    stylin6 Registered Member

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    Just drove my 71 Jimmy back from Virginia to Kansas and averaged 10mpg with my stock tires on it!!! I had to take off my 35"s or I'd only get about 5 or 6! Mine also has a 350.
     

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