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Old 08-15-2016, 08:35 AM   #61
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Originally Posted by ready2retire&drive View Post
I have run 2 trips with these no problems and it adds about 40 litres to a fill up
Where did you get the extensions?
johnd
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Old 08-15-2016, 08:41 AM   #62
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I had them made am looking at distributing them once we have the process in place
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Old 08-15-2016, 09:04 AM   #63
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I would be a little concerned about filling the tank completely full. If you were on the road and knew that you were going to be burning fuel quickly it should be OK but, if for some reason you had to stop and the fuel was able to heat up, it might get messy. It might also be illegal but not sure how you would ever get caught.

US DOT Regulation 393.67 Subpart E.

12) Overfill restriction. A liquid fuel tank manufactured on or after January 1, 1973, must be designed and constructed so that—

(i) The tank cannot be filled, in a normal filling operation, with a quantity of fuel that exceeds 95 percent of the tank's liquid capacity; and
(ii) When the tank is filled, normal expansion of the fuel will not cause fuel spillage.


THERMAL EXPANSION Like all liquids, diesel fuel expands slightly in volume as its temperature increases. The coefficient of thermal expansion measures the rate of the expansion. A typical value of the coefficient of thermal expansion for diesel fuel is 0.00083 per degree Celsius (0.00046 per degree Fahrenheit). Using this value, 1.000 gallon of diesel fuel at - 7 C (2 0F) will expand to 1.037 gallons at 3 8C (100F). 50 gallons could expand to almost 52 gallons.
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Old 08-15-2016, 10:08 AM   #64
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I found that when I filled my my tanks up without the extensions and parked on my pad at home (which has an angle to it) the low side tank leaked ( quite messy and smells) the stock cap vents and will leak when fuel gets warm and expands. Since I have put the extensions on no problems but I will test different fill levels and angles of parking and temeratures to get a good assesment of these. I realize for the fill and go guy's this will give them more range but will do more testing so the fill and park guy's can have confidence in these
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Old 08-15-2016, 05:51 PM   #65
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Put us down for a set when you have them ready for sell.
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Old 12-09-2016, 11:31 AM   #66
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Fuel filler extensions

When you have the fuel filler extensions available - I would like a set
Les
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Old 12-09-2016, 12:36 PM   #67
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Are the extensions available for sale yet?
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Old 12-09-2016, 12:57 PM   #68
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We have patent pending on it now, am working on the packaging and finalizing insurance on the product hope to have it availble by the end of Feb on E bay and Jayco dealers also my freightliner parts department might carry it too so if they get on board might be able to get it into other parts department too.
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Old 05-29-2017, 06:01 AM   #69
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I have the same gauge and fuel capacity issues as everyone else. I own a 2015 ts,but I would think all chassis would be the same as far as tankage. With low fuel light on,needle on E,hard pressed to get more than 48 gal on fill up. So I drove home on empty,disconnected the fuel supply line at the fuel/ water seperator.Hooked up a small fuel pump and pumped all the fuel out. They drain to maybe an inch left. Filled up both tanks to an inch of the top of the fuel fills. 64 gal on your best day is it. Hope this helps.
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Old 05-29-2017, 06:31 AM   #70
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All this discussion about the inaccurate fuel gauges makes me feel really good about my ScanGauge purchase. Yes, a larger tank would be really nice as would an accurate fuel gauge.

Although this and a whole bunch of other "little things" bother me, I am not going to let it ruin the awesome feeling of seeing a beautiful new Seneca in my yard 😄.
At least not yet.
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