Fuel mileage
Moderator
Joined: Dec 2003
Posts: 97,590
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From: Saskatoon, Saskatchewan
Scott, which years of the 7.3 did you find were better for fuel economy? I had an 89 F350 7.3 dually that did about 12 mpg and a friend had a 89 F250 4X4 that got around 21 mpg.
Bouts, how much difference did the mods make on your truck`s mpg?
Bouts, how much difference did the mods make on your truck`s mpg?
Thread Starter
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FTE Legend
Joined: Aug 2004
Posts: 37,887
Likes: 20
From: North Central Rural Sask.
Sounds cool, I may lean back to a 7.3 because all in all i do want better mileage, and I can always add mods.
Morris my dads 91 250 7.3 diesel got around 25 mpg. That was highway, and it had an aftermarket CTS turbo on it.
Morris my dads 91 250 7.3 diesel got around 25 mpg. That was highway, and it had an aftermarket CTS turbo on it.
Lead Driver
Joined: Jan 2005
Posts: 5,800
Likes: 9
From: Rouleau, Saskatchewan
From what I understand from reading the PSD forums is that if you chip the 7.3 it is close to the 6.0 for hp and torque. I haven't given mine a real workout yet but I towed my friends 25' trailer and could hardly notice it back there.
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FTE Legend
Joined: Aug 2004
Posts: 37,887
Likes: 20
From: North Central Rural Sask.
3? lol wow. Colin, I have heard that too about the 7.3. It makes me curious though what happens when you chip a 6.0, with the exception of the problems chipping the earlier ones!
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Joined: Dec 2003
Posts: 97,590
Likes: 2,008
From: Saskatoon, Saskatchewan
[QUOTE=preppypyro]3? lol wow. Colin, I have heard that too about the 7.3. QUOTE]This is about a 400 motor in Bouts21 truck not a 7.3
[:Bouts21 No matter what I've tried it stays at 10 empty and 5 towing. Hit 3 towing once against the wind.]
I can`t imagine a 7.3 down to 3 mpg unless there was something seriously wrong with it!
[:Bouts21 No matter what I've tried it stays at 10 empty and 5 towing. Hit 3 towing once against the wind.]
I can`t imagine a 7.3 down to 3 mpg unless there was something seriously wrong with it!
Lead Driver
Joined: Jan 2006
Posts: 8,423
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From: Colonsay Sk. Canada
Originally Posted by Dustin1690
Wow but still 23 mpg is pretty good ill have to figure out my mileage when i leave for Estevan next weekend i have a feeling mine aint going to be no dam 23 mpg that 5.8 liter needs a lot of fuel
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Joined: Dec 2006
Posts: 651
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From: Vancouver BC
I havent driven my 79 enough to know MPG... all ive done is drive around my 2 acres, to move a shed and tear down a barn... and all I can say is it is bad on gas... but then its strong like a bulldozer... 6 of one, half dozen of another 
