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Old 01-19-2021, 08:11 PM   #1
Peanut74
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Fuel Tank Filler Neck Hits Bed Rail

Ok, I know I can't be the first one that ran into this issue. So rather than reinventing the wheel thought I would ask here first. I moved my fuel tank to under the bed. I notched the bed rail so that it cleared the tank. Once I put it on I found that the fuel tank filler neck was under the bed rail. My question is when you ran into this situation how did you resolve the issue? Pictures would be great as I am more of a visual type person.
Thanks in advance.
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Old 01-20-2021, 02:50 AM   #2
ChevyRacefan
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Re: Fuel Tank Filler Neck Hits Bed Rail

Short bed?
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Old 01-20-2021, 10:22 AM   #3
Peanut74
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Re: Fuel Tank Filler Neck Hits Bed Rail

Yes, it is a short bed. The frame was a long bed that I shortened up.

Thought about going to a muffler shop and have them bend something up. However, thought I would on the forum first to see if there is an easier fix.
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Old 01-20-2021, 05:46 PM   #4
rpmgroup
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Re: Fuel Tank Filler Neck Hits Bed Rail

I cut mine back and rounded it around a pipe, so that the hose moves to the side easily. I also cut cross sill and weld in some react tubing for the hose.
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Old 01-20-2021, 10:15 PM   #5
Peanut74
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Re: Fuel Tank Filler Neck Hits Bed Rail

RPM, How did you handle the bed mounting point that is there? Did you delete that one? Do you have any pictures of your setup?

I do have some room where I can cut it about 1/2" wider before I am up against the bed bolt tube. Also, if I go more to a square cut rather than a 45 I might pick up some additional space.
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Old 01-21-2021, 12:17 AM   #6
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Re: Fuel Tank Filler Neck Hits Bed Rail

Maybe move the rear cross member back a few inches, then move the tank back enough to clear the bed floor brace.
My truck is a long bed. So ,I am just throwing that out there.

Or turn the tank 180* and have the filler on the passenger side. That will move the filler neck forward of that brace.
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Old 01-23-2021, 03:36 AM   #7
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Re: Fuel Tank Filler Neck Hits Bed Rail

Keep the same mounting hole
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Old 01-23-2021, 09:52 PM   #8
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Re: Fuel Tank Filler Neck Hits Bed Rail

Nice work there RPM. I like the idea and the way you did it. It would give me some of the extra room I'm looking for. I will need to lay it out and see it will work or not.
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Old 01-25-2021, 09:19 PM   #9
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Re: Fuel Tank Filler Neck Hits Bed Rail

Well I think I figured out how to resolve my filler neck interference issue. I took a rear bed rail support and looking at mounting it to the frame rail. That would allow me to cut the offending bed rail further back and still have good support. BUT before I do it I just wanted to know if anyone can think of an issue I am be creating.

NOTE: I will be using it for hauling stuff on occasion but nothing really heavy.
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Old 01-26-2021, 06:07 PM   #10
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Re: Fuel Tank Filler Neck Hits Bed Rail

Well I got the issue resolved. I took a rear bed rail bolt point and mounted it to the frame rail. Not an ideal solution but will work for the small loads I will be hauling. Thanks for the input Gents
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Old 02-22-2021, 09:17 PM   #11
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Re: Fuel Tank Filler Neck Hits Bed Rail

Well since my filler neck interference issue has been resolved I started working on the fuel filler neck. Attached you see the steps that I took to get my fuel filler in. I did have to remove two brackets to get it all to work. One bracket was in the stake post hole about 6" down. The other one was on the bed rear sill rail. I still have to clean up some of the cuts and round the edges.

Here is what I used:
-Bikers Choice paintable popup gas cap P/n:011900
-1.5" ID steel pipe for filler
-1999 Honda Camry fuel filler (Use it to go from 1.5 to 1.25 dia)
- 45 degree 1.25" ID fuel filler hose from Fuel Filler Supply Co. p/n125A45
- 90 degree 1.25" ID fuel filler hose from Fuel Filler Supply Co. p/n125A90
- 1/2" ID hose for fuel vent
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Old 02-24-2021, 10:19 AM   #12
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Re: Fuel Tank Filler Neck Hits Bed Rail

When you say you won't be hauling anything 'really heavy', what weight do you consider that to be? Notching the bed support does remove it's strength. So if you were to hop in the bed & walk around putting your foot directly over that modified cross sill, it will flex. The support strength of the sill is in the height of the material. Capping it off doesn't add 'strength' to support weight. It adds strength for torsional flex/twist.

It's not a big deal if you remember to not step on that area or plop an all iron BBC there (which is how I know).
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Old 02-24-2021, 09:16 PM   #13
Peanut74
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Re: Fuel Tank Filler Neck Hits Bed Rail

I agree that it is not as strong as orginaly was. But keeping it boxed does help keep it from flexing less than if I left it as a u channel. What I mean is that I'm not going to use it like a farm truck. I use it to haul small loads here and there. If I really wanted to maintain the original strength I could weld L angle to both sides. Just to lazy to sit down and do.the math.
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