how many miles?
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Laughing Gas
Joined: Feb 2007
Posts: 962
Likes: 89
From: upstate ny
ok thanks and keep em coming, i am looking at a 1986 and 1/2 f250 4x4 with a N/A 6.9,and form what im hearing form you guys i will get about the same milage i get with my lifted ranger!! how many miles are these engines good for? hopefully i will pick this one up this weekend, it has a charging problem charges about half the time. any ideas?
Post Fiend
Joined: Nov 2003
Posts: 21,285
Likes: 16
From: Nutter Fort, WV
symonds86,
Welcome to FTE and the IDI diesel forum.
Elevation, terrain and driving style have a rather large impact on the MPG.
Fast starts, high elevation, mountainous terrain and high speed driving all suck the fuel.
Remember you are looking at 7000 pounds plus for the empty truck weight on the diesel. Mine has a flatbed dump, snow plow bracket, and heavy duty hitch reciever, it weighs 8000 pounds full of fuel before I get in it.
Welcome to FTE and the IDI diesel forum.
Elevation, terrain and driving style have a rather large impact on the MPG.
Fast starts, high elevation, mountainous terrain and high speed driving all suck the fuel.
Remember you are looking at 7000 pounds plus for the empty truck weight on the diesel. Mine has a flatbed dump, snow plow bracket, and heavy duty hitch reciever, it weighs 8000 pounds full of fuel before I get in it.
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Freshman User
Joined: Jul 2006
Posts: 35
Likes: 0
I'm getting from 12 to 15 mpg around town depending on how I drive. A little better on the highway and about 12 pulling my 7000# camper . I keep it to around 65mph towing and try to avoid hammer takeoffs. Dave is right on about driving habits though, rabbit starts will definately suck the fuel.
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Tuned
Joined: Oct 2002
Posts: 370
Likes: 0
From: Southern Connecticut
84 F350 with an 89 7.3 engine. 4 speed. a couple weeks ago i took pretty long highway trip @ 65+ mph, got 13-14 mpg. I dont have a tach, but this old truck revs to the moon at that speed. 4.11 rear (i think! lol)
Junior User
Joined: Jan 2004
Posts: 52
Likes: 0
From: Spokane, WA
6.9 IDI, non-turbo. 17.5 - 18.5 before Winter hit, about 40% highway driving. Dropped to 16 - 17 during Winter, but just replaced air filter (which seemed to crud up a lot faster than my gassers) with a K&N. Still on the first tank with the K&N, so don't know milage yet, but there is a noticeable increase in power (foot feels a litle heavier than before, milage may drop).