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Gas tank suggestions

Discussion in '1969-1972 K5 Blazer | Truck | Suburban' started by Sledge, Feb 21, 2002.

  1. Sledge

    Sledge Registered Member

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    Recently finished a tub swap and now have a dilema. My old gas tank was an aftermarket one (of unknown origin) which mounted using long bolts down through the bed. After spending so much time & money on getting good sheet metal, I'm not thrilled about drilling out the "new" bed floor. It's a decent tank, ~40 gallons and I don't really want to toss it.

    How are the strap-mounted tanks secured? Do they have a recess in the tank to locate the straps? Just wondering if I could fashion some straps for my existing tank.

    Also I'm going to be doing a TPI swap, so was thinking if I do go the new tank route it'd make sense to get one with in-tank pump support. Anyone know of a place which makes 'em for Blazers?

    Thanks.
     
  2. 69K5

    69K5 1/2 ton status

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    If you have to chunk it check Colemans Surplus on the web. Its a military surplus that sales blazer gas and diesel tanks for 25 dollars. if nothing else it could work as a cheap alternative. My tank is aftermarket so my straps arent stock so I cant help you there. Mine are bolted on both sides to the frame.

    hope it helps

    Nathan
     
  3. Steve_Chin

    Steve_Chin 1/2 ton status

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    My 40 gallon tank merely sits on top of the straps. The thing is located fore and aft by a cutout that fits around the last crossmember in the frame.
     
  4. Sledge

    Sledge Registered Member

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    Thanks Steve, so no recesses in the tank for the straps. I'm having a hard time visualizing the fore/aft supports, could you please elaborate?
     
  5. Steve_Chin

    Steve_Chin 1/2 ton status

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    Not really separate supports. It's just a cutout in the top of the tank and a kick-out at the bottom. I'd venture a guess that the tank is held in place more by friction than anything.
     
  6. Sledge

    Sledge Registered Member

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    Thanks again Steve. My tank as the kickout at the bottom rear, so it should snug up against the crossmember fine.

    BTW you're doing a 2-pump seperate reservior setup for your TPI setup, right?
     
  7. Steve_Chin

    Steve_Chin 1/2 ton status

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    Yup. I figure that it'll be easier than building a sump in my existing tank and it'll also offer better fuel supply when the truck is pitched at angles or during acceleration or cornering.
     
  8. JungleBoy

    JungleBoy 1/2 ton status

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    My Aero has reinforeced gussets welded on both sides. I mounted it using two 1/2" bolts per side into existing frame holes.
     

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