Fuel Saving tips
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Senior User
Joined: May 2018
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Fuel Saving tips
A couple of posts about fuel mileage in the 20 mpg range has me wondering why I'm getting more like 12. I am currently hunting down a small HPO leak that I can't otherwise notice drives well, plenty of power, starts normally with no smoke at start but some black (not a lot) at the top of throttle. I just cleaned pipe and egr valve with new gaskets.
Any thing else? I'm putting in a fuel pressure gauge this weekend. Truck has blue spring kit.
TIA Tim
Any thing else? I'm putting in a fuel pressure gauge this weekend. Truck has blue spring kit.
TIA Tim
Hotshot
Joined: Dec 2014
Posts: 17,830
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From: Jersey Shore
The 21 number tends to come in on long drives, in temperate weather, flatter the better, at 65mph or lower but with the TC locked, and stock tires. Bed covers help.
Stop and go kills fuel mileage due to the energy needed to accelerate mass, and the faster you accelerate it, the more energy needed.
Stop and go kills fuel mileage due to the energy needed to accelerate mass, and the faster you accelerate it, the more energy needed.
Fleet Mechanic
Joined: May 2010
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From: West by God Virginyuh
Man, I thought mine was sorta bad at 16-17mpg. But that’s an Excursion with 8” lift on 38” tires! Pretty sure if I was at stock height with stock-ish size tires I’d be in the 20’s. But that’s with an Innovative Diesel tune on it, Xtreme Street.
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Joined: Apr 2011
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If I recall Ed has a Eco FICM tune that's supposed to increase the mpg. I had the tune installed but the truck got stolen before I had a chance to really test it out. I have no reason to doubt it wouldn't increase mpg, just don't have hard data to show how much it would have helped me with my driving style.
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Hotshot
Joined: Dec 2003
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From: Stuttgart, Ar
Eco FICM tune with an extreme race tune I average about 19 mpg if I drive STEADY and keep the speed down. It's alllll about controlling the right foot and letting the other guy have the road. I can get 19+ if I want to put it on 80 mph, too, but Johnny doesn't like me when I do that.
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Yes I'm heavy on the pedal. It's fun, I can't help it. Driving this truck is one of my favorite things to do. I've owned a dozen or so ( I'm a GC) Fords including a 7.3 E350 that I still own. Nothing comes close. The combination of power and speed is addicting.
Plus I did not buy it a a fuel saver. I am going to check out those tunes. Thanks
Plus I did not buy it a a fuel saver. I am going to check out those tunes. Thanks
Fleet Owner
Joined: Apr 2012
Posts: 27,307
Likes: 549
From: Spanaway
Want to really blow the MPGs out the window?
Try this mix. Hercules FICM tune and Matt's SRL tune.
The milage sucks. but it makes the 6.0L take off better than a gas truck.
Plus you get the mighty black cloud. Well not quite that much.
Try this mix. Hercules FICM tune and Matt's SRL tune.
The milage sucks. but it makes the 6.0L take off better than a gas truck.
Plus you get the mighty black cloud. Well not quite that much.
More Turbo
Joined: Dec 2012
Posts: 538
Likes: 151
From: Warsaw KY
I would add to make sure your brakes are moving freely.
Last edited by Brotherbillstruck; Jul 14, 2019 at 07:32 AM. Reason: Link was added that I did not intend. Not even sure how I did it on the word caliper
Fleet Owner
Joined: Nov 2003
Posts: 27,912
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Good point. I like to periodically get rotor temps (IR temp gun) after both short and long trips - just to see if I might have a brake dragging!
More Turbo
Joined: Dec 2012
Posts: 538
Likes: 151
From: Warsaw KY
Seems like dragging calipers come up so often here. I do the back of the hand test on the wheels at regular intervals. I have an IR gun also to dig deeper when I notice something. I would bet the everyday drivers have the issue less than someone like me where she sits for days without moving.