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Getting rid of TBI saddle tanks.. what is the best way

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by camiswelding, Nov 27, 2004.

  1. camiswelding

    camiswelding 1/2 ton status

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    Is using a suburban tbi tank and putting it behind the axle the way to go?
    what about a custom tank...?
    (must be smog legal)
    thanks
    cam
     
  2. dave_90_blazer

    dave_90_blazer 1/2 ton status

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    easiest way would be a sub or a blazer tank, and they will be smog legal if all the hoses are hooked back up


    the large blazer tank is 31 gallons
     
  3. unclematty

    unclematty 1/2 ton status

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    I'll buy one of those tbi sending unit/fuel pump, assemblies from ya, (if your sellin) let me know via PM thanx M
     
  4. 1-ton

    1-ton 1/2 ton status Premium Member

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    [​IMG]

    This is the fuel tank I am going to replace my saddle tanks with. This is a 45 gallon aluminized diamond plate steel fuel tank. It bolts into the bed of the truck...right behind the cab. A high pressure OEM TBI in-tank fuel pump can be used, and it is 50 state smog legal.

    Here is a link to the company that makes them. http://www.aerotanks.com/
     
  5. K1Orion

    K1Orion 1/2 ton status

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    I put a blazer tank in my longbed to get rid of saddle bag tanks. It was not a bolt in affair. I made cross members cause the stock ones won't work without mods. I doubt a blazer tank would fit in a shorbed without being above the axle, which would be bad unless you got 17" of lift or you never flex it.

    If you wanna know more or need pics, PM me.
     
  6. camiswelding

    camiswelding 1/2 ton status

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    thanks orion....
    Im going to trial fit a k5 tank... or see if I should fab up one...
    Ill let you know about the pics if I need some additional ideas...
    My truck is a longbed dually 60" cab to axle...
    cam
     
  7. Pookster

    Pookster 1/2 ton status

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    Know where to get these cheap?

    [ QUOTE ]
    [​IMG]

    This is the fuel tank I am going to replace my saddle tanks with. This is a 45 gallon aluminized diamond plate fuel tank. It bolts into the bed of the truck...right behind the cab. A high pressure OEM TBI in-tank fuel pump can be used, and it is 50 state smog legal.

    Here is a link to the company that makes them. http://www.aerotanks.com/

    [/ QUOTE ]
     
  8. dremu

    dremu Officious Thread Derailer Premium Member

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    Longbed, you got lots o' room behind the axle, no?

    Burb tanks in 87-91 came in 43 gallon, I do believe.

    I also *think* there was a pickup tank for under the bed somewhere, but all I've ever seen is the saddle tanks.

    -- A
     
  9. Pookster

    Pookster 1/2 ton status

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    What had TBI saddle tanks? (what year rather).
     
  10. 75-K5

    75-K5 3/4 ton status

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    I know my '87 stepside does, and I would imagine all R/V body style 87-91 trucks do.
     
  11. TWISTEDJACK

    TWISTEDJACK 1/2 ton status GMOTM Winner

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    A 40 gallon sub tank fits nicely but you need to pay attention to when everything lines up. But it will fit. All I did was make two simple crossmembers and cut out the tire carrier and the rear crossmember. My hitch works good to replace the rear crossmember.
     
  12. bonanza

    bonanza Registered Member

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    Anyone got any pictures of this swap?
     
  13. 1-ton

    1-ton 1/2 ton status Premium Member

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    [ QUOTE ]
    Know where to get these cheap?

    [/ QUOTE ]

    [ QUOTE ]
    Quote:
    [​IMG]


    This is the fuel tank I am going to replace my saddle tanks with. This is a 45 gallon aluminized diamond plate fuel tank. It bolts into the bed of the truck...right behind the cab. A high pressure OEM TBI in-tank fuel pump can be used, and it is 50 state smog legal.

    Here is a link to the company that makes them. http://www.aerotanks.com/


    [/ QUOTE ]

    These type of fuel tanks are pretty expensive...about $500 (not including the brackets and hardware needed to mount OE fuel pump and fuel filler neck)
     
  14. TWISTEDJACK

    TWISTEDJACK 1/2 ton status GMOTM Winner

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    [ QUOTE ]
    Anyone got any pictures of this swap?

    [/ QUOTE ] No but I can take some for you. /forums/images/graemlins/waytogo.gif
     
  15. bonanza

    bonanza Registered Member

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    Thanks, I've got the 25 gallon tank already and I thought it was gonna be a no brainer, but I'm starting to think it's gonna be more than I first thought.
     

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