BLUEKNIGHT911
Sadly Passed Oct 2024 - RIP
I posted this elswhere : .... I fill until it AUTO stops .... then I slowly add 1.3 or .4 gallons more till it at the LIP ..... I do this consistently EVERY time I get gas ..... Mike :thumbup:
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Average mpg reading
- Thread starter vito1943
- Start date
I posted this elswhere : .... I fill until it AUTO stops .... then I slowly add 1.3 or .4 gallons more till it at the LIP ..... I do this consistently EVERY time I get gas ..... Mike :thumbup:
rjinaz86323
Active member
I do the same. I have gotten as much as 6.6 gal in when it was just about dry. After being reminded about the fuel cooling the fuel pump (this was a trait of HD also) I will not run it that low in the future. Thx for the reminder.
Unless I'm wrong the gas cap is below the top of the tank like BK says. Exactly just how much space is left in there I have no idea. My tank is not full until I can touch the gas with my finger, then I'm full. Someday when I have the time I'll siphon out all the gas in my tank and fill it up until it hits the bottom of the fill tube. Then I'll put in another gallon and a half and just see how much it will actually hold without running over in the ground. I've watched a gallon of gas expand sitting in the direct sunlight. It doesn't expand that much. I think that's why a military jerry can is shaped the way it is. You can never totally fill it up unless you tip to the side.
Exactly!
You might be surprised at how much gas can expand when heated - and remember that even sitting in direct sunlight might not raise the gas contained up to the temps the contents of your gas tank might reach when your engine is running, especially when it's all contained under an RT's tupperware; and then there's the fumes given off & the gas pressure that can create/add to the mix too!! :shocked: . There's a good reason the 2013 RT's had that major heat recall done; just like there's a reason that the 'expansion space' in the 2014 & on gas tanks is proportionally a little larger than it is in the smaller tanks! :lecturef_smilie:
pidjones
New member
Page 48 of the 2021 RT owners guide says in step 5: "Fill the tank until the fuel level reaches the higher point of the filler tube." Below that is an ilustration of a fuel level at the highest point of the bottom of the tube - quite a bit below the "don't put leaded gas in here" diaphragm. I've been filling to the diaphragm - about a gallon difference there.
Woodaddict
Active member
here is a real world riding, at slower speeds, like mountains. Filled up with a bunch of mini squirts to get tank full. Still had 37 miles starting from fill up @ 65-72 mph, before entering slower speeds / mountain riding. Had 4 "turn off key" stops. At 1/2 tank gas, was at 145 miles - good! Filled up @ 240.7 miles, with 6.045 gal., giving me 39.81 MPG. Could have gone 15 / 20 more miles. Needle was at bottom of movement, there still is gas in tank, I have slowly crept up on letting needle bottom out, near gas stations and kept note of how many gallons are put in tank. At 72 mph, there is about 25 miles left in tank when needle bottoms out. This is AFTER you get the "low gas" icon. Some of my riding was spirited riding on Tail of Dragon too.
My next tank was on interstate or 2 lanes each way riding, 65-72 mph. 176.5 miles, 5.319 gal, 33.18 MPG, your MPG goes down at constant interstate riding.
