5.8 Litre gas mileage - F150online Forums



5.8 Litre gas mileage

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  #1  
Old 03-18-2003, 10:16 PM
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Question 5.8 Litre gas mileage

Considering purchasing an F250 with a 5.8 V8.
I need it to tow a 6000 pound travel trailer. Will this motor do the job , and what type of mileage would it get , with/ without the trailer?

Any and all replies appreciated!

Thanks ,

Sty
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Old 03-18-2003, 10:23 PM
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I had an 89 f250 with a 5.8 and a ZF 5 speed. I drove it from Labrador to Alberta with a big box on the back full of stuff and a Ford Focus behind it on a dolly. I don't know how much this weighed but the box full of stuff was very heavy, pointed my headlights to the sky and split both rear rims. Anyway I averaged 400 kms between fill ups. I had front and rear tanks too, so about 200 kms per tank. Also the truck had a 3" body lift and 33 x 12.50 tires. Rear end ratio was 4.10. Not great milage but pulled the mess easily.
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Old 03-18-2003, 11:04 PM
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mpg

I drive a 93 f150, 351,3.55 axel, E4OD that has always got about 12 mpg empty.
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Old 03-18-2003, 11:07 PM
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Thanks taterthedog , was that 400 km between fills with the heavy load? What size were the fuel tanks? What type of mileage with no load?

Thanks in advance , Sty
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Old 03-18-2003, 11:09 PM
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Thanks for the info danny owens
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Old 03-18-2003, 11:19 PM
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I had an 88 F250 4x4 with the 351, C6, 3.55 axle and 33" tires. Fuel mileage went from Bad to Worse. Got about 16 hwy and 12 city. I miss that truck!

At the time, I had a friend with the same truck with the 460 and his mileage was about 16 hwy and 10 city; so if I did it again, I would get the 460.

Best improvement: Thorley Headers and dual exhaust.

Ian
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Old 03-19-2003, 10:47 PM
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the 400 kms between fill ups was with the load. Empty you could probably go 700 - 800. The fuel tanks are 18 and 19 gallons or something, I'm not sure exactly.
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Old 03-19-2003, 10:54 PM
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Just looked up the spec and front tank was 19 gallons and rear was 18.2.
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Old 03-24-2003, 10:41 PM
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I would be interested in what you find out. I to am looking at a F250 with the 5.4L. Does anyone know here?

Sam
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  #10  
Old 03-25-2003, 01:31 AM
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I don't really know. I have a 4.6L and very rarely tow. But from whay I've read on these boards, the most you can expect from a 5.4L with that load is 11 MPG city and 13 MPG HWY.

I'm sure someone will be posting their actual MPG, with that combo, soon.

Good Luck,

Bill
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  #11  
Old 03-25-2003, 03:33 AM
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Unhappy

Try like 9-10 mpg when towing with the 5.4........ And I only have a #4500 travel trailer! I do get around 14-15 mpg when not towing.

The 5.4 is a great engine, but consider the fact that an F250 weighs probably a good #1000 more then an F150 even before you load it up.

For a #6000 trailer, that would be about the most I'd tow with the 5.4 no matter what 'frame' it was bolted to.

I get pretty decent performance while towing my trailer, but you know it's there and forget about running in OD.

I towed with an '89 E250 van with the 5.8 in it. Try around 6 mpg. It only got 12 mpg when empty. I think that's why they gave 'em two tanks! I remember only getting around 150 miles per tank. This was towing a #6000 utility trailer from coast to coast. It did ok on the flats at 60 mph, but it really struggled on the hills. Sometimes I was in first with my foot to the floor and moving at 25 mph!
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  #12  
Old 03-26-2003, 09:15 PM
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Doesnt seem like too many want to respond to this thread...LOL
My guess would be 13-14mpg.

Sam
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