Fuel filler issue. This can’t be right.

[Daron58]

I agree with Grit dog, had a work truck with a service body on it and the only way I could put fuel in it because of the modifications was to drive on a wood block under the rear wheel, got a lot of crazy looks at the gas station but got it done

 

[SquareRoot]

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 my whole life and I’ve never experienced this. I cannot understand or figure out how this filler was designed to actually work.

@Keith Seymore got some splaynin to do I reckon?

 

[SquareRoot]

Buy a Prius

 

[Ricko1966]

Buy a Prius

LS swap a Prius

 

[SquareRoot]

LS swap a Prius

Actually, I have a LQ9 at my brothers house in Idaho and I'm looking for a 70's Pinto to tub and drop it in as my next crazy project.

 

[idahovette]

Actually, I have a LQ9 at my brothers house in Idaho and I'm looking for a 70's Pinto to tub and drop it in as my next crazy project.

Your brother in Twin??

 

[SquareRoot]

Your brother in Twin??

Pocatello. I have twin brothers. One lives in Twin. So I guess I have half a twin in Twin.

 

[tadslc]

Interesting thread, my '81 LWB has a similar problem, drives me crazy.

On empty the gas flows well until it's about half full. then it takes an act of congress to get the last 10 gallons in. seems this would indicate a venting issue. Sometimes I swear I end up with more on the ground than in the tank. No amount of fiddling seems to make it much better.

I do know that some gas pumps are better, some are worse, but haven't noted if I was facing uphill or downhill. I'll take note of this and try to face downhill next fillup.

I have a new tank & hoses. Seems a little worse now than before the change. I have the old tank and hoses, seems like they're pretty similar. Thought a kink in the vent hose was my problem so I fixed this but no better.

 

[Stikbendr]

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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. The filler hose runs UPHILL. So the gas just pools in the flat area and drizzles very slowly over the hump and into the tank. It took me 30 minutes to get a few gallons in. This cannot be right.

The plastic shield oughta be on the bottom of the tank to protect it. You could have the wrong tanks, the wrong tank hangers, the tank hangers could be installed in the wrong vertical holes or swapped.

 

[KamperBob]

My problem was not unrelated. The fill hose on the passenger side was jury rigged by the previous owner. (There were reasons at the time and he since passed so I forgave him.) The hose rotation was off leaving a small plumbing trap. It only held a few spoonfuls of fuel but that didn't help. I corrected the rotation but it still fills slow. sometimes I can't even use the first click on a fuel pump nozzle. It quickly trips off. Too much back pressure I suppose. I'm just living with it for now. This winter I plan to ditch the bed (it's not the right one anyway - proximate cause in my case) and build a specialized flatbed. While the frame is clear of any bed my plan is to route a new fill for the passenger tank from the driver side of the vehicle. That will be much more convenient going forward. Meanwhile I just budget extra time to fill that tank (which isn't often) and tell myself patience is a virtue, builds characters, some sh*t. LOL

 

[JBswth]

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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. The filler hose runs UPHILL. So the gas just pools in the flat area and drizzles very slowly over the hump and into the tank. It took me 30 minutes to get a few gallons in. This cannot be right.

Looks like your filler hose is partially kinked. I would try to pull it further over the end on the gas cap end. If you can't, try trimming about 1/4 - 1/2 of an inch off the tank end, and see if that opens it up a little. I have never had a problem filling the tanks on my 73. My gas gauge just doesn't work right.

J. B.

 

[JBswth]

My problem was not unrelated. The fill hose on the passenger side was jury rigged by the previous owner. (There were reasons at the time and he since passed so I forgave him.) The hose rotation was off leaving a small plumbing trap. It only held a few spoonfuls of fuel but that didn't help. I corrected the rotation but it still fills slow. sometimes I can't even use the first click on a fuel pump nozzle. It quickly trips off. Too much back pressure I suppose. I'm just living with it for now. This winter I plan to ditch the bed (it's not the right one anyway - proximate cause in my case) and build a specialized flatbed. While the frame is clear of any bed my plan is to route a new fill for the passenger tank from the driver side of the vehicle. That will be much more convenient going forward. Meanwhile I just budget extra time to fill that tank (which isn't often) and tell myself patience is a virtue, builds characters, some sh*t. LOL

Since you mentioned that it isn't the right bed,

LS swap a Prius

I bet that would be a blast!