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  1. soliddrummer

    Fuel filler issue. This can’t be right.

    I like this idea and strangely enough, there were two blocks of wood in the cab of the truck when I got it.
  2. soliddrummer

    Fuel filler issue. This can’t be right.

    I believe the next step as everyone else mentions is to do some dissassembly and see what is going on in there. The sending unit is bad on the passenger side as well, so two birds with one stone.
  3. soliddrummer

    Fuel filler issue. This can’t be right.

    The filler tube is wide open. But it runs uphill. The gas cannot get into the tank without pooling. It’s almost like a p trap under a sink. The filler tube has to be half full of fuel for it to trickle over the hump and down into the tank. This seems like a design problem. Both sides are exactly...
  4. soliddrummer

    Fuel filler issue. This can’t be right.

    This is my train of thought as well. Since the filler tube is bigger, it should flow gas at any rate, but due to the angle of the filler tube, the gas builds up in the flat, and splashes back. I tried every angle and flow rate and gas just wouldn’t go in. I’m no dummy, I’ve had old cars/trucks...
  5. soliddrummer

    Fuel filler issue. This can’t be right.

    My truck is LT9. I found it on the build sheet.
  6. soliddrummer

    Fuel filler issue. This can’t be right.

    Wow. Ok. This is news to me. It’s a k35 1 ton dually. I’ll have to check the glove box sticker when I’m there next (it’s at my shop). I had no idea we were still doing the leaded fuel dance in the 1980 model year. It does indeed have a wide mouth filler with no small hole as in modern fillers...
  7. soliddrummer

    Fuel filler issue. This can’t be right.

    My truck is a 1980 so the leaded gas option is a no. It’s a very stock truck, and the fill tubes are not bound up in any way. I MAY have a venting issue that I will look into further, but I am baffled how this filler setup has ever worked. The only way I could see it working at all is if the gas...
  8. soliddrummer

    Fuel filler issue. This can’t be right.

    I also realize there may ALSO be vent issues, but this angle of the filler tube can’t ever have worked. How was the previous owner driving this truck for 30 years?
  9. soliddrummer

    Fuel filler issue. This can’t be right.

    New to me 1980 k3500 with saddle tanks. First time at the gas station after purchase and could NOT get gas in this truck. Put $20 in and $12 worth on the ground. Tried every which direction on the nozzle and just couldn’t get gas in this truck. Looked up underneath and both sides are like this...
  10. soliddrummer

    My new truck. 1980 GMC k3500 4x4 DUALLY

    Hello everyone. I just picked this truck up. Runs pretty good but needs some work as well. Wanted to introduce myself since I’ll be needing some parts and guidance. 1980 GMC k3500 4x4 Dually

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