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So I have 1200 miles on her in 7 days and some good city driving and long treks. I am still panicking everytime I look at the gas gauge. It drops so damn fast. But I have driven it every time till it says 30 miles till empty and no matter how hard I try I can only squeeze 28 sometimes 29 gallons into her. This is good but making for very frequent fill ups. My 2011 6.7 would go 450 a tank at 36 gallon fill ups. This is going 330 or so with 28 gallon fills. So avg over all driving is 12.0 hand calculated, 87 oct. Not bad. Tows great too. So 3.5 lift 35's, smoked all the lights and threw a canopy on. I'm good for a bit.
I sat for 10 min till it spilled out. It clicked of at 27 gal. I also noticed with the 35's I am .09 miles off. So that might be triggering the low fuel deal sooner? Not sure. Not gonna test it though. I thought being a long bed it would have the same 36 gal tank as my diesel.
I sat for 10 min till it spilled out. It clicked of at 27 gal. I also noticed with the 35's I am .09 miles off. So that might be triggering the low fuel deal sooner? Not sure. Not gonna test it though. I thought being a long bed it would have the same 36 gal tank as my diesel.
You have a 35 gal tank so either your gage is off or its not filling all the way. The only time I filled mine after the low fuel light came on it still (if I remember right) was around 6 gal short of 35, I run an aux tank so I don't pay all that much attention how much I put in the main tank.
I'm still getting MPG shock versus the LBZ Duramax I replaced.
In terms of absolute fuel costs the ford is cheaper but it's difficult to get my head around my 11-12 MPG (2500mi so far, 4 weeks old) versus the dmax, which averaged 14.5 over 160k. (nearly all my driving is local, its a work truck).
I'm filling up at same frequency (diesel was 26g tank) but at a lower cost per fill.
I was totaling up the maintenance costs on the dmax the other day and they were eye-watering, and it was a good truck!
IMHO...that is what the truck is going to give you. Those 11-12 MPG sounds about right.
Yeah, I'm fine with the mpg and didn't expect better.
I've owned an 8.1 chevy too and this thing's a prius in comparison.
I was referring to the mental aspect of getting used to hideous mileage yet achieving lower operating costs with gas vs. the perceived economy of diesel and it's "good' mpg.
The truck is definitely 35 Gallons as others have said. Not that I would recommend it regularly, but you can get over 50 miles after the "0 Miles to empty Warning" appears. I have done it a few times since I always forget to get gas. So far my truck is averaging 12.1 MPG. That's mostly around town driving with the pretty frequent tow of a 12,500 pound boat. Love the truck so far. 8500 miles so far.
A friend of mine that was also a mechanic told me not to run my tank below 1/4 because the fuel in the tank cools the pump, that's after a couple of pumps went bad in my work truck. I've never had a pump go bad after taking his advice, maybe that's why Ford sets their miles to empty the way they do.
I used to agree with that theory although my employees(and me) are notorious for running our tanks low and even running out and have a great track record on all trucks. Never had any pump issued with any of them although I'm sure its better not to run them low!! Below are the miles on each:
Just jumping in to say ...Beautiful truck Dom!
Great thread also.
I'm eyeballing a 2009 twin to yours with a V10 , so I'm researching mpg's on the two motors.
I miss my 7.3 ... 21 mpg hwy ... but at 180k it needed a metric shipton of work that I couldn't justify at the time.
12-04-2014, 01:38 AM
