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Old 07-06-2021, 02:08 PM   #21
Notanlines
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Quote:
Originally Posted by Falcon View Post
These all look like they are factory replacement tanks for restorations and similar work. The newest tank I found was 1991, mostly for vintage autos.
Did you call them? I understand from the car people here that they do custom work, not just replacement.
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Old 07-07-2021, 06:07 AM   #22
Bobplouhar0@gmail.com
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Originally Posted by CHAPS2018 View Post
I installed the RDS 33 gal. $630 with the gravity feed kit. Great solution that addresses my apprehension about getting fuel on travel days.
I am waiting on my RDS TRANSFER TANK can I leave the gravity feed valve open without fuel back up and do I need a fuel filter on the line
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Old 07-07-2021, 07:43 AM   #23
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Bob, we use a common, in line canister filter and just leave the valve open all the time. The filter does slow delivery rate.
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Old 07-07-2021, 11:18 AM   #24
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Curious why you would need a filter on an additional tank?
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Old 07-07-2021, 12:20 PM   #25
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An extra filter is cheap insurance
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Old 07-07-2021, 04:32 PM   #26
Notanlines
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He asked and I answered. Give me three reasons why an inline filter would be bad in this situation. Oh, that's right, you don't have this situation.
This system simply isn't for you. But it is for thousands of others.
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Old 07-07-2021, 05:54 PM   #27
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New tank so it's clean, fuel that is pumped into main tank is not pre filtered. Engine has either one or two very good filters on a modern Diesel Truck. Not thinking it makes any sense. But hey I don't have one so I shouldn't ask questions or make comments.
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Old 07-08-2021, 01:23 PM   #28
porthole
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Quote:
Originally Posted by Bobplouhar0@gmail.com View Post
I am waiting on my RDS TRANSFER TANK can I leave the gravity feed valve open without fuel back up and do I need a fuel filter on the line
What truck do you have?
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Old 07-16-2021, 10:46 AM   #29
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Originally Posted by Falcon View Post
I'm looking for a tank that will fit under my rolling tonneau cover. I'm restricted to 18" height, and that includes any filler cap or anything else sticking up like a pump. And I can only have about 20" front to back because of my hitch base.
Another option if the custom fuel tank is to expensive is replace rolling cover with one that gives the extra height.

https://tonneaucoversworld.com/p/tru...tonneau-cover/
On a prior truck, the RDS 40 gal tank worked for me but I had the hitch clearance.
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Old 08-31-2021, 03:43 PM   #30
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Aux tank

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Originally Posted by wingnut60 View Post
KSH in Lake Havasu built me a tank that fit under the canister of the Retrax cover on my '17 450. 48 + 50 gallons was a huge factor in being able to shop fuel prices. It transferred by elec pump controlled off #1 upfitter switch.
Went with RDS gravity feed 50 gallon with toolbox love it fits under tunnelcover leave valve open no issues or pump
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Old 09-02-2021, 06:17 PM   #31
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Originally Posted by wingnut60 View Post
KSH in Lake Havasu built me a tank that fit under the canister of the Retrax cover on my '17 450. 48 + 50 gallons was a huge factor in being able to shop fuel prices. It transferred by elec pump controlled off #1 upfitter switch.

same here since were in Az and had a new truck and still really like to carry 55 extra gallons. It was made in march of 06 so we feel it was a bargain. full and ready to hit the road this month . Labarn
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Old 09-03-2021, 08:34 AM   #32
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I use the RDS 40 gallon fuel tank with the top tool box and it fits under the tonneau cover. The manual valve is left open but I use an electric solenoid valve that is controlled from the cab. A water separation / fuel filter is installed to take out any condensation that may occur in the aluminum tank.
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Old 09-07-2021, 10:28 PM   #33
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Buddy just installed a 90gallon below bed rail in a 2021 GMC. Not sure the brand but I can ask if your interested.
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Old 09-17-2021, 01:05 AM   #34
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UPDATE: KSH custom tank

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Originally Posted by Falcon View Post
Like the OP, I'm looking for a tank that will fit under my rolling tonneau cover. I fill up and pull away from the pump and immediately start looking for the next fuel stop. I'm lucky to get 200 miles. I have about 60" width without crowding it for plumbing. I'm restricted to 18" height, and that includes any filler cap or anything else sticking up like a pump. And I can only have about 20" front to back because of my hitch base. I have scoured the internet and found nothing that will fit. Any one know where us RVers can get one manufactured to specific dimensions?
Update: After a few suggestions to contact KSH Tanks in Lake Havasu, I did just that. They sent me a template which I filled out with yr/make/model and my required dimensions. They even called me with further clarification on things that I didn't think of. They really know their business. I picked it up for $750 but the gauge and one-way vent and tax brought it to about $860. Reasonable for a custom fabricated tank that fits my exact requirements, and adds 70 gallons to extend my range beyond 800 miles. Happy.
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Old 09-17-2021, 05:31 PM   #35
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Originally Posted by Falcon View Post
Update: After a few suggestions to contact KSH Tanks in Lake Havasu, I did just that. They sent me a template which I filled out with yr/make/model and my required dimensions. They even called me with further clarification on things that I didn't think of. They really know their business. I picked it up for $750 but the gauge and one-way vent and tax brought it to about $860. Reasonable for a custom fabricated tank that fits my exact requirements, and adds 70 gallons to extend my range beyond 800 miles. Happy.

Pictures? Sounds reasonable, mine was not custom and I paid more than that.
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