RDS tank install
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Elder User
Joined: Jan 2007
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Like I said I have two RDS tanks, one gravity one fuel pump.
On the second one I talked to RDS and got the fuel sender unit instead of sight glass. I then installed 12 V shutoff valve, wix fuel filter/water separator and Airtex fuel pump. Auto meter fuel gauge on dash is hooked to the RDS sender unit and all powered thru up fitter switches.
Fuel dumps thru RDS Gravity feed fitting into my rear tank(yes I have chassis cab).
The fuel gauge on aux tank is sure handy. This gives me 100 gal.
I much prefer the aux fuel tank sender/fuel pump than the gravity system on first tank, however it always worked fine, just wanted faster fuel transfer.
You will love your setup, I wish you safe and happy travels!!!
On the second one I talked to RDS and got the fuel sender unit instead of sight glass. I then installed 12 V shutoff valve, wix fuel filter/water separator and Airtex fuel pump. Auto meter fuel gauge on dash is hooked to the RDS sender unit and all powered thru up fitter switches.
Fuel dumps thru RDS Gravity feed fitting into my rear tank(yes I have chassis cab).
The fuel gauge on aux tank is sure handy. This gives me 100 gal.
I much prefer the aux fuel tank sender/fuel pump than the gravity system on first tank, however it always worked fine, just wanted faster fuel transfer.
You will love your setup, I wish you safe and happy travels!!!
Junior User
Joined: Feb 2007
Posts: 56
Likes: 0
Like I said I have two RDS tanks, one gravity one fuel pump.
On the second one I talked to RDS and got the fuel sender unit instead of sight glass. I then installed 12 V shutoff valve, wix fuel filter/water separator and Airtex fuel pump. Auto meter fuel gauge on dash is hooked to the RDS sender unit and all powered thru up fitter switches.
Fuel dumps thru RDS Gravity feed fitting into my rear tank(yes I have chassis cab).
The fuel gauge on aux tank is sure handy. This gives me 100 gal.
I much prefer the aux fuel tank sender/fuel pump than the gravity system on first tank, however it always worked fine, just wanted faster fuel transfer.
You will love your setup, I wish you safe and happy travels!!!
On the second one I talked to RDS and got the fuel sender unit instead of sight glass. I then installed 12 V shutoff valve, wix fuel filter/water separator and Airtex fuel pump. Auto meter fuel gauge on dash is hooked to the RDS sender unit and all powered thru up fitter switches.
Fuel dumps thru RDS Gravity feed fitting into my rear tank(yes I have chassis cab).
The fuel gauge on aux tank is sure handy. This gives me 100 gal.
I much prefer the aux fuel tank sender/fuel pump than the gravity system on first tank, however it always worked fine, just wanted faster fuel transfer.
You will love your setup, I wish you safe and happy travels!!!
My tank also has the sending unit but I never hooked it up.
Do you happen to know what the resistance range is on the sending unit? I can't find any of my paperwork that may have the values.
I would like to buy a gauge that doesn't need to be calibrated.
Curt
Elder User
Joined: Dec 2010
Posts: 567
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From: Wellington, KS
I guess you are talking about a RDS tank. If so just call them, they are in Florida and are VERY VERY nice people. They helped me in many ways, and seemed eager to make sure I was a happy customer. I took the sight glass out and replaced with the sender unit however I don't think there was any paperwork with the sender but I'll look
Junior User
Joined: Feb 2007
Posts: 56
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I guess you are talking about a RDS tank. If so just call them, they are in Florida and are VERY VERY nice people. They helped me in many ways, and seemed eager to make sure I was a happy customer. I took the sight glass out and replaced with the sender unit however I don't think there was any paperwork with the sender but I'll look
Curt
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Elder User
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Well I was trying to see how much of the first 15 gallons I put in the tank was actually usable but it didn't work out. I had used 11.5 gallons and the gauge was still at 100% when I had to go ahead and add some for my trip tomorrow. I put another 30 gallons in. I guess I will see what happens if I use that much through the weekend. It is kind of strange to drive all week and still have a full tank of fuel. By the way diesel went up $.30 per gallon this week.
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Joined: Feb 2007
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Put the plastic rings in hot water for 10 mins or so.......Place the ring over the round steel pucks........Using a flat blade screwdriver push the inner edge of the plastic ring into the groves that go around the steel pucks. This is a PITA........Better to have two people doing this at the same time. Once that plastic ring seats into the grove around the steel puck, they will stay in place.
The dealers are supposed to do this......Most don't know how to. the rest are too lazy.
There are also 3rd party SS rings on the internet.
Hope this helps........
The dealers are supposed to do this......Most don't know how to. the rest are too lazy.
There are also 3rd party SS rings on the internet.
Hope this helps........
Finally got the donuts in. You were right what a pain in the ****!
Curt
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Elder User
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That looks a lot better. I wish I had the plug for the gooseneck hole. The first trip with the tank was a huge success. I put the 30 gallons in on top of the 3 or 4 gallons it had left in it. I drove about 320 miles and used 29+ gallons before the fuel gauge dropped below 100%. So I guess there is going to be about 4 gallons of unusable fuel left in the tank. I am really happy with the investment.
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Joined: Feb 2007
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You can't go wrong with the extra fuel storage. You made a good investment.
I won't ever tow my fifthwheel without it. The trip is so much less stressful knowing I don't have to stop for fuel until the end of the day.
I won't ever tow my fifthwheel without it. The trip is so much less stressful knowing I don't have to stop for fuel until the end of the day.
Elder User
Joined: Dec 2010
Posts: 567
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From: Wellington, KS
I fill up the same two places every year (11 years) one just east of Kingman, Az and the other 50 miles west of Albuquerque. The NM stop is Indian reservation truck stop and the other is big truck plaza. 1800 miles each way just two stops. Very nice not waiting in lines and these two stops have the lowest diesel prices by far every year. Our other stops are for the dog and a quick walk for my tired back and maybe a sandwich.
You will love the fredom the extra fuel allows you. Lower fuel prices are just a bonus in my opinion.
Safe and Happy Travels!!!
You will love the fredom the extra fuel allows you. Lower fuel prices are just a bonus in my opinion.
Safe and Happy Travels!!!
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