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06-25-2021, 08:27 PM | #1 |
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Under-bed gas tank without removing the bed or rails?
I was wondering if it is possible to install an aftermarket tank, or one from another vehicle under the bed, and not have to remove any rails. There's gotta be someone that has done this, I hope.
My plan would be to do the side fill, not the in-bed fill.
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1963 C20, small window, long bed 292, 4-speed |
06-26-2021, 02:03 AM | #2 |
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Re: Under-bed gas tank without removing the bed or rails?
The Camoro gas tank FAQ is what you seek
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06-26-2021, 02:36 AM | #3 |
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Re: Under-bed gas tank without removing the bed or rails?
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1963 C20, small window, long bed 292, 4-speed |
06-26-2021, 09:01 AM | #4 |
1965 Chevy C10, 2005 4.8L/4l60
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Re: Under-bed gas tank without removing the bed or rails?
A Boyd’s attaches under the frame rails
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06-26-2021, 12:15 PM | #5 |
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Re: Under-bed gas tank without removing the bed or rails?
I checked out the Camaro tank; doesn’t look too bad. However, my bumper doesn’t have the license plate in the middle, I would have to modify it or get a different bumper.
I think I’ll just leave it for now, just wish I could get my gas gauge to work. I tried the resistor trick, but it still doesn’t read right.
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1963 C20, small window, long bed 292, 4-speed |
06-26-2021, 10:51 PM | #6 |
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Re: Under-bed gas tank without removing the bed or rails?
This is the tank I had made to mount between the last two crossmembers in the frame, side fill
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06-26-2021, 10:54 PM | #7 |
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Re: Under-bed gas tank without removing the bed or rails?
Where did you get that tank?
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1963 C20, small window, long bed 292, 4-speed |
06-26-2021, 11:32 PM | #8 |
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Re: Under-bed gas tank without removing the bed or rails?
Maybe you just need a new sender. https://www.tanksinc.com/index.cfm/p...rod/prd831.htm
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06-27-2021, 07:57 AM | #9 |
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Re: Under-bed gas tank without removing the bed or rails?
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06-27-2021, 08:02 AM | #10 |
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Re: Under-bed gas tank without removing the bed or rails?
That was smart. I found the same negative response from machine shops. I'll remember this.
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Master Chief, US Navy, Retired 1964 C10 Step-side Short Bed - In Progress 2009 2500HD Duramax LTZ 1948 GMC Panel 1956 Big Window Stepside 1953 5 Window Chevy Stepside 1932 Coupe New Seat Foam for Bench Seats? |
06-27-2021, 09:19 AM | #11 |
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Re: Under-bed gas tank without removing the bed or rails?
I did a newer suburban tank in my 62 burb with bands to hold it up works good dident have to remove anything to install. Might give you an idea.
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06-28-2021, 12:12 AM | #12 |
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Re: Under-bed gas tank without removing the bed or rails?
Just looked it was a 73-81 Blazer tank 25 gallon I moved the filler to the side because I wanted the straps to go from side to side because of the cross suport.
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06-28-2021, 08:41 AM | #13 |
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Re: Under-bed gas tank without removing the bed or rails?
I put one in from a Jeep CJ hanging on some bed frame angle iron to the truck frame rails and got a fill setup from a Dodge P/U mounted just inside the box. It fills nicely. So far my problem is that I still need to get a sending unit to match the truck gauge. Currently I top it up about every 100 miles.
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06-28-2021, 09:09 AM | #14 |
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Re: Under-bed gas tank without removing the bed or rails?
A mid 60s mustang tank slides between the rails nicely - to make it removable you would need to make the rear crossmember bolt in (which is what I had done) and I think this would allow you to fit and service the tank without removing the box. You may need to lift the rear of the box though to clear the main box cross member. I can send pics later this week if you are interested.
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06-28-2021, 09:59 AM | #15 | |
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Re: Under-bed gas tank without removing the bed or rails?
Quote:
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06-28-2021, 10:01 AM | #16 | |
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Re: Under-bed gas tank without removing the bed or rails?
yes - its quite small - 16 gals.
i fitted a 7 inch tube style sender that is 0-30 ohm so connects with the stock gauge nicely. Quote:
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06-28-2021, 10:48 AM | #17 |
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Re: Under-bed gas tank without removing the bed or rails?
You know that using the original gauge and a new sending unit it only needs a resistor to make it work. couple threads on here as a how to.
http://67-72chevytrucks.com/vboard/s...d.php?t=210638 |
06-28-2021, 11:41 AM | #18 | |
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Re: Under-bed gas tank without removing the bed or rails?
Quote:
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1963 C20, small window, long bed 292, 4-speed |
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06-28-2021, 11:42 AM | #19 | |
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Re: Under-bed gas tank without removing the bed or rails?
Quote:
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1963 C20, small window, long bed 292, 4-speed |
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06-29-2021, 02:15 PM | #20 |
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Re: Under-bed gas tank without removing the bed or rails?
Here's my early Mustang tank It's only about 16 gal., though. but it fits nicely between the frame rails. When I ordered my gauges I just got one to match the Mustang sender.
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06-29-2021, 03:17 PM | #21 |
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Re: Under-bed gas tank without removing the bed or rails?
exactly the same as my setup - apart from I mounted to the lower frame - the mustang tanks fit up nicely and bolt to the rails along the perimeter.
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06-29-2021, 07:53 PM | #22 | |
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Re: Under-bed gas tank without removing the bed or rails?
Quote:
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07-05-2021, 06:09 AM | #23 |
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Re: Under-bed gas tank without removing the bed or rails?
I used the Jeep tank, I do have my bed off but as there is no trimming needed of the rails this 'should' be an easy fit with the bed on.
It is a side fill as well which should make things easier - only downside is capacity but that is not really a problem for me. Have pictures on my thread or can send them to you if you let me know your details. P.
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07-05-2021, 09:59 AM | #24 |
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Re: Under-bed gas tank without removing the bed or rails?
I think I may lower the Jeep tank and cut a hole for a sender so that I can get it back to the 0-30 ohm gauge.
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