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31gal k5 tank in the 89 v3500 pickup?

Discussion in 'The Garage' started by camiswelding, Feb 14, 2005.

  1. camiswelding

    camiswelding 1/2 ton status

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    Ok... Ive gotten rid of my saddle tanks and am ready to buy a NEW tank for the rear tank conversion for my pickup (89 v3500) ,,,Ive already read the blazer tank in a pickup article but it didnt referrence whether the 32 gallon tank had enough clearance to fit... or what about sub tanks (late model efi)

    thanks
    cam
     
  2. camiswelding

    camiswelding 1/2 ton status

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    ttt...anyone,,,
     
  3. k5-newbie

    k5-newbie 1/2 ton status

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    not sure if this helps, but I tried to put a '89 sub tank in my '82 Blazer and it was too big. I can get the measurements if you want them. I know the Blazer tank is like 26 1/2" by 27"
     
  4. camiswelding

    camiswelding 1/2 ton status

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    i was thinking about the 31 gal k5 tank,,,,, my concern is that it might be too close to the 14b.....

    truck is a dually chassis cab and I have tried a 25 gal tank and it fits ok...

    anyone?
     
  5. pvfjr

    pvfjr 1/2 ton status

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    I've got a stepside, and the 31 would have been too tight for it. Maybe if I had a body lift.
     
  6. jwglover

    jwglover Registered Member

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    I have done this swap quite a few times, on a long bed like yours the 40 gallon suburban tank will fit, you need to cut out the second to the last crossmember on the frame,,move your brake line bracket ahead 2-3 inches, use your suburban straps and put a cross member above the rear axle to bolt the straps to.
    This combo will leave about 2-3 inches in between the axle and the tank,
    if you have a lift it will be even more.
     

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