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Old 03-13-2015, 03:16 PM   #21
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Chuck, I just read that Nexus replaced the fuel tanks in their 2016 super C with a single 100 gal tank. This is on an International chassis. Maybe Jayco will notice and make similar change.
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Old 10-02-2015, 09:14 PM   #22
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Ok, I really appreciated reading all the responders to this thread. I have just purchased a 2015 Seneca 37TS on Sept 10th. We took two short proving run trips to test systems out and everything checks out fine. Put it in the shed and will depart after Thanksgivings for Texas. My main question is fuel range. I will be towing a Jeep Wrangler and drive 65 to 70mph. Is it safe to assume I can make 500 miles between fuel stops? Or should I back that down to 400 miles. What are most of you doing? Thanks for your replys.
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Old 10-02-2015, 09:23 PM   #23
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Unless I'm running the Genny while travelling, I use 500 miles as my limit - hasn't failed me so far. Mileage doesn't seem to change much when we're towing the Honda CR-V.
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Old 10-02-2015, 09:27 PM   #24
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Because you don't know what YOUR mileage will be I suggest that you fill up every 400 or so miles until you gain experience. I fuel up once a day, usually at end of day. That way I'm ready for whatever.

How many miles per day do you expect to drive?
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Old 10-02-2015, 09:40 PM   #25
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I generally drive close to 500 miles per day as I'm running south from Minnesota trying to fine warm weather to dewinterize the RV. After I do that I switch to shorter days..
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Old 10-03-2015, 12:12 PM   #26
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Assume 9 mpg for planning purposes. 500 miles will consume 56 gals. That leaves you about 20 gals or 186 miles. What are you comfortable with? My copilot goes crazy at anything less than 1/2 tank.
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Old 10-04-2015, 05:19 PM   #27
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Keep in mind that the pickup tube is not on the bottom of the tank (so as to not pu water and debris that ends up in the tank). How far it is off the bottom and how much capacity that reduces is an unknown to me.

I would be willing to go 500 miles if I know for sure of my full stations.
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Old 10-05-2015, 03:05 PM   #28
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Hello GreyHawk885,
Could you tell me a little more about why you choose to rent rather tow? What kind of traveling do you do and for how long out? Do you rent a variety of cars?

What would have to change in the way you travel before you switched to a tow car?

Sorry for the slight thread diversion.
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Old 04-25-2016, 08:35 AM   #29
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Thanks for the information. I have been having these same thoughts as we bought our Seneca last summer, and we have never been able to put more than 48 gallons in at once.
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Old 05-01-2016, 04:36 PM   #30
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My experience as well, about 48 gallons max with the gauge on empty and the warning light on. I usually fill between 350 and 400 miles. Honestly, I just don't have the confidence to go much further. Some months ago, Freightliner did replace ascending unit to make the gauge more accurate, did not improve anything.
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