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I sure hope that was how it worked answering your questions, lol....Finally got some towing numbers:
View attachment 1178Engine: 6.7
F250 or F350: F350
What Blend: Texas Winter
Mileage: 3,000
Stock Oil: Factory Oil
MPG City Unloaded: 12 - 16
MPG/MPH Highway Unloaded: 20.3
MPG Towing: 7,000# car hauling 14.4 highway
MPG Hauling: 1,000# 19.2 highway no wind
Octane:
Tire PSI Unloaded: 60f - 65r
Tire Psi Loaded: 62f - 67r
Stock truck: yes
Programmer: None
Engine/Exhaust/Intake Mods: None
Diesel Deleted: No
Stock Tires: Yes
Stock Wheels: Yes
Lifted: No
Reverse Leveled: No
Elevation from Sea Level: ~500'
Average air temp: 50
Tonneau Cover: BakFlip MX4
What I have found works best for mileage isMy mileage for a 7.3 has been a little disappointing. I was hoping for 14 to 15 mpg highway in good conditions but I got 12.6 mpg based on my 450 mile trip from Disneyland to NorCal. Average speed on that leg was 70 - 75 mph. It was 11.6 mpg on the trip to Disneyland but the weather was horrible with the rain and seemingly a constant headwind so not surprised. The average speed on that leg was 65 - 70 mph. The truck stated I averaged 12.9 mpg on the 900 mile round trip. Maybe with more miles under her belt and if it's that important to me maybe raise my tire pressures.
Engine: 7.3
F250 or F350: F250
Mileage: 3,000
Stock Oil: Yes
Hand Calculated MPG or Truck Computer MPG: Both
MPG City Unloaded: 10.5 (computer)
MPG/MPH Highway Unloaded: 12.6 (hand calc)
MPG Towing: 8.5 (6500 lb TT)
MPG Hauling: n/a
Octane: 87
Tire PSI Unloaded: 58F/65R (recommended 60F/70R)
Tire Psi Loaded: same
Stock truck: Yes
Programmer: No
Engine/Exhaust/Intake Mods: No
Stock Tires: Yes
Stock Wheels: Yes
Lifted: No
Reverse Leveled: No
Elevation from Sea Level: Sea Level
Average air temp: 50s
Tonneau Cover: BakFlip X4S
6800 miles on oil, changing it tomorrow 13.9 mpg avg. 6.7 with 21k. Towing 45%.What I have found works best for mileage is
Make sure your transmission is warm
Drive 55 to 65 mph
Don't drive into the wind
Use no ethanol gas
Stay real light on the accelerator
Only drive downhill
There are always so many variables to mpg, so I will try to add them all in. If you have some I didn't think of let me know and I will add them. Maybe a moderator can make this a sticky?
Before I hear the "it's an HD truck, expect crappy mileage" comments, I get that and expect it and not complaining about it, I still would like to know though!
I'm not sure about Diesel fuel but for the gasser guys, we are still in the winter blend for fuel and when the summer blend gets here we will be getting probably 2% MPG better! For those that don't know the difference here's a link (Winter/Summer gas Diff). My truck is on order so I can't play yet, but I will!
To try and keep this as a legit apples to apples comparison, I would like to do the following criteria. I know it's a lot, but more data points will cut down the variables. Try to answer as many as you can. If you have to leave some blank that's okay too. I made an empty template at the bottom you can copy and paste into your reply to make it easier for you.
Summer Blend May 1st through September 15th
Winter Blend September 16th through April 30th
Engine: 6.7 or 7.3
F250 or F350:
What Blend: Summer or Winter
Mileage:
Stock Oil: Yes or No (if no Brand and weight)
Hand Calculated MPG or Truck Computer MPG:
MPG City Unloaded:
MPG/MPH Highway Unloaded: MPG plus your average highway speed
MPG Towing: MPG plus tell us Trailer weight with load/ height/ axles/ Closed or enclosed/ type/ 5th/ goose/ bumper
MPG Hauling: Weight in bed
Octane: 85/86/89/91/92
Tire PSI Unloaded: Front/ Rear
Tire Psi Loaded: Front/Rear
Stock truck: Yes or No
Programmer: Yes or No (if yes, what brand and setting)
Engine/Exhaust/Intake Mods: (if yes what did you do)
Diesel Deleted: Yes or No (If yes brand/ setting/ HP gain)
Stock Tires: Yes or No (if no what size, brand, and weight if known)
Stock Wheels: Yes or No (if no what size, brand, and weight if known
Lifted: Yes or No (if yes lift height and brand)
Reverse Leveled: Yes or No (if yes how much lower in rear)
Elevation from Sea Level: (3% percent power loss per 1000 feet above sea level)
Average air temp: (Cold air is much more dense)
Tonneau Cover: Yes or Know
Empty template below to copy and paste into your reply.
Engine:
F250 or F350:
What Blend:
Mileage:
Stock Oil:
Hand Calculated MPG or Truck Computer MPG:
MPG City Unloaded:
MPG/MPH Highway Unloaded:
MPG Towing:
MPG Hauling:
Octane:
Tire PSI Unloaded:
Tire Psi Loaded:
Stock truck:
Programmer:
Engine/Exhaust/Intake Mods:
Diesel Deleted:
Stock Tires:
Stock Wheels:
Lifted:
Reverse Leveled:
Elevation from Sea Level:
Average air temp:
Tonneau Cover: