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Old 07-21-2016, 07:19 AM   #11
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I never like to get below 1/4 tank towing or otherwise.
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Old 07-21-2016, 07:58 AM   #12
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I have a 3011DS with the 55 gallon tank. We start looking at around 1/2 tank and usually fill up right around 1/4 tank. We try to find the big stations that get lots of traffic so the gas isn't stale. Not sure if that is a myth or not but...

I use 87 octane usually. When there is the option to get true gas and not ethanol added, I get that.
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Old 07-21-2016, 08:17 AM   #13
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Just under 1/2 tank, but it depends on whether I am out in the southwest where service is far apart or traveling through more populace areas. I carried a Justrite safety gas can under my truck cover last year on our trip through NM, NV, and northern CA on our way to Oregon. It was a security blanket for running out in the TV and for our small generator should we need it. I have another Justrite can that I can carry if needed.
I just have this recurring mental picture of running out of fuel pulling the RV and stuck in or blocking traffic. Not good.
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Old 07-21-2016, 08:24 AM   #14
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You are braver than I am, Brian.
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MUCH Braver than me.
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For us, Gas (Diesel ) buddy is our friend and 1/2 tank (even in the Berk!) is ALWAYS Empty!

Why? well at 1/2 tank you have options to find the best price (for instance we have recently learned to NEVER buy Diesel in IN or MI - it's 20-30/gal cheaper in KY/TN).
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Old 07-21-2016, 09:25 AM   #15
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(for instance we have recently learned to NEVER buy Diesel in IN or MI - it's 20-30/gal cheaper in KY/TN).
Welcome to Michigan. the state with some of the highest gas taxes in the nation , along with some of the worst roads!!!

I only saw one other person mention a very important reason for trying never let your fuel/gas tank get below 1/4. That is the fact that the fuel pump is located in the tank in most of today's vehicles and being immersed in fuel is how the motor dissipates heat.

I am not sure how many of you have actually seen what a fuel pump and pickup assembly looks like, but in most cases, the fuel pump is a 2 1/2" diameter x 4" tall cylinder with the fuel pickup and screen at the bottom. It will either sit almost vertical or at a 45 angle. Due to this configuration you should keep 3" - 4" of fuel in your tank to keep the pump motor completely immersed in fuel. The engineers have set up the low fuel light to come on just prior to the top of the fuel pump no longer being covered in fuel.

The moral of the story is, if you wait for the low fuel light to come on before you search for fuel, Your fuel pump is no longer completely immersed in fuel, will be heating up, and may not last through the warranty of your vehicle.

Now your thinking, who cares, that's what warranties are for... Unfortunately with today's on-board computers, they keep track of all kinds of things, including how often that low fuel light goes on. If it goes on too many times. the failure is no longer a materials and workmanship problem but rather a user misuse issue and you may be stuck paying to replace that fuel pump yourself. It isn't an easy job nor is it an inexpensive one. The fuel tank has to be emptied, then removed to access the pump assembly.
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Old 07-21-2016, 09:38 AM   #16
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I am far, far different pulling this thing than I am otherwise. Reason? The layout of all new service stations! Some goober decided, at some point in the recent past whilst I was sleeping, to make all pumps 90 degrees to the road and the building. DUH! Now I can't get 55 feet of heavy into there and still get out.

So....I used to drive DW crazy because I'd go till it was on EEEEEEEE and a half, before I'd get fuel. I mean, that's the most efficient way to do it right? When SHE travels, she thinks 3/4 means E.

Now.....I have to think differently. There are apparently only a few, few of the newer stations that have separate high-ceilinged diesel lanes. I can't get in the 'far right auto diesel' lane and still get out......so I either find those stations, or I find myself in line with the big boys and it takes 45 minutes to get fuel, see picture. THEN, I usually can't pay at the pump, and have to go in, give the lady my CC, tell her the ESTIMATE of how much money I'm going to spend, and she charges that amount, and limits the pump to that amount. Very, very cumbersome, but I can't get into just any station and get out. Plus, the prices are higher......and Flying J, Pilot, etc......always charge X for diesel CASH and X+ for diesel on a card. Ticks me off!!!

There is a SpeedWay station on I-40 in Jackson, TN that is the best one I have found. I wish they were all like this. It's on the N side of I-40 on Exit 85......it has a totally separate area for big trucks and campers. Not only is it the cheapest fuel on I-40 almost, it's beyond easy to get into and out of. I should have taken a picture of it.........
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Old 07-21-2016, 09:39 AM   #17
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[QUOTE=ShermanD;1265607]Welcome to Michigan. the state with some of the highest gas taxes in the nation , along with some of the worst roads!!!

I only saw one other person mention a very important reason for trying never let your fuel/gas tank get below 1/4. That is the fact that the fuel pump is located in the tank in most of today's vehicles and being immersed in fuel is how the motor dissipates heat.

I am not sure how many of you have actually seen what a fuel pump and pickup assembly looks like, but in most cases, the fuel pump is a 2 1/2" diameter x 4" tall cylinder with the fuel pickup and screen at the bottom. It will either sit almost vertical or at a 45 angle. Due to this configuration you should keep 3" - 4" of fuel in your tank to keep the pump motor completely immersed in fuel. The engineers have set up the low fuel light to come on just prior to the top of the fuel pump no longer being covered in fuel.

The moral of the story is, if you wait for the low fuel light to come on before you search for fuel, Your fuel pump is no longer completely immersed in fuel, will be heating up, and may not last through the warranty of your vehicle.

Now your thinking, who cares, that's what warranties are for... Unfortunately with today's on-board computers, they keep track of all kinds of things, including how often that low fuel light goes on. If it goes on too many times. the failure is no longer a materials and workmanship problem but rather a user misuse issue and you may be stuck paying to replace that fuel pump yourself. It isn't an easy job nor is it an inexpensive one. The fuel tank has to be emptied, then removed to access the pump assembly.[/QUOT


I call BS on the last paragraph. Where in my manual does it say "warranty will be void if low fuel light comes on too often"?

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Old 07-21-2016, 09:49 AM   #18
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Start looking when it shows just below 1/2, usually fill @ 1/4 minimum.
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Old 07-21-2016, 10:04 AM   #19
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[QUOTE=JohnF;1265622]
Quote:
Originally Posted by ShermanD View Post
Welcome to Michigan. the state with some of the highest gas taxes in the nation , along with some of the worst roads!!!

I only saw one other person mention a very important reason for trying never let your fuel/gas tank get below 1/4. That is the fact that the fuel pump is located in the tank in most of today's vehicles and being immersed in fuel is how the motor dissipates heat.

I am not sure how many of you have actually seen what a fuel pump and pickup assembly looks like, but in most cases, the fuel pump is a 2 1/2" diameter x 4" tall cylinder with the fuel pickup and screen at the bottom. It will either sit almost vertical or at a 45 angle. Due to this configuration you should keep 3" - 4" of fuel in your tank to keep the pump motor completely immersed in fuel. The engineers have set up the low fuel light to come on just prior to the top of the fuel pump no longer being covered in fuel.

The moral of the story is, if you wait for the low fuel light to come on before you search for fuel, Your fuel pump is no longer completely immersed in fuel, will be heating up, and may not last through the warranty of your vehicle.

Now your thinking, who cares, that's what warranties are for... Unfortunately with today's on-board computers, they keep track of all kinds of things, including how often that low fuel light goes on. If it goes on too many times. the failure is no longer a materials and workmanship problem but rather a user misuse issue and you may be stuck paying to replace that fuel pump yourself. It isn't an easy job nor is it an inexpensive one. The fuel tank has to be emptied, then removed to access the pump assembly.[/QUOT


I call BS on the last paragraph. Where in my manual does it say "warranty will be void if low fuel light comes on too often"?

John
X2
Shorten service life? Possible
Void Warranty? No

But as far as looking for fuel.....I start the search at 1/2 tank whenever I'm on roads that I don't travel often
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Old 07-21-2016, 10:07 AM   #20
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I like to play it safe ... on all my vehicles I fill up when I get to the 1/2 way mark.
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