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Old 01-24-2011, 08:31 PM   #15
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If you ever take the time to crawl under and look for the capacity tag on your fuel tank each and every one of them have fill to 90% (or words to that effect) stamped on the tag, it's been like that for decades.

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Old 01-24-2011, 08:46 PM   #16
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The Monaco manual for my MH states that it has a 150 gallon tank and only 145 gallons is usable. All tanks have to have expansion and vent area on the top.

Mike Canter
"Gunner" USN Retired, Airdale
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Old 01-24-2011, 09:07 PM   #17
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Originally Posted by RVThere View Post
Call Freightliner and see if your chassis is eligible for a new fuel tank. There is an old post on the forum from 2008 dealing with this issue and how FCCC was replacing tanks.

I called in early 2009 and they replaced my tank. Much better filling but no where near 100 gallons ever goes in.
Freightliner is not replacing anything.
2008 Itasca Latitude 39W. Cummins ISB 6.7 Turbo 340HP. Allison 6 Speed. Freightliner XCS. Michelin XRV 255/80R 22.5 LRG. SuperSteer MCU. Safe-T-Plus.
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Old 01-24-2011, 09:14 PM   #18
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100 gallons of fuel

If your tank is rectangle take length X width X depth in feet X 7.45 per cubic foot and that will you give total liquid cap. You will have some unusable fuel, prob between 5 and 10 gal depending on length of tank and location of pickup tube.
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Old 01-24-2011, 09:29 PM   #19
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I always use the truck stop area to fill up. With a 90 gal tank, at 8.9-9 mpg, a 1/4 tank will allow me to go approximately 200 miles. So, when it gets to 1/2 tank, I start looking to fill up again.

The truck stops stations have large nozzles and can pump to fast. I will use the first click on the nozzle, and when it clicks off, I'll wait a few minutes and then hand feed it the rest of the way. Only problem with this is that sometimes you cannot judge when the tank is full and it will back-flow. I cuss, but I know that is as full as it is going to get. Most time I just stop pumping once it clicks. 10 or so gallons is not going to make that much of a difference for me when i fill at the half tank level.

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