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Dain Bramaged Member
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Discussion Starter #1
what kind of gas mileage are you guys getting

I have a 4.3 and with my last road trip I got almost 350 out of a tank of gas, even before the "LOW FUEL" light came on...
 

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sy1765 said:
14-18 mpg :(
Ya but isnt that a factor of boost tho? You cannot keep off the pedal.:D Is that without letting your foot be heavy?
 

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Dain Bramaged Member
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Discussion Starter #6
I'm totally a leadfoot too...oh wel..it's fun :)
 

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20.75MPG average with 93 octane.
 

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s-series owner
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70 Posts
22-25 with the tonneau cover on,
slightly less with it off.
That's an estimate.
 

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Dain Bramaged Member
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Discussion Starter #9
yeah, you don't count...that's with a 2.5...:p
 

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s-series owner
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Originally poster by Psychobrick:
Yeah, you don't count...That's with a 2.5
You make up the difference with more horsepower under the hood. One advantage the 4.3 has that the 2.5 lacks.
Everyone tells me I need to drop in a V8, but I keep
telling them I enjoy the mileage.
 

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The Beauty of All Wheel Drive
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I get around 16.5 in the city, I WOULD PROBALLY GET BETTER if I kept my foot out of it.

John
 

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Dain Bramaged Member
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Discussion Starter #13
1quikAWD said:
I get around 16.5 in the city, I WOULD PROBALLY GET BETTER if I kept my foot out of it.

John
Yeah, you prolly would, but that ruins all the fun :p
 

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I never exceed the speed limit by more than 5 mph. But get to the limit as fast as she goes, have a ton of mods and average 23 mpg. And its a 4x4, heavy pig!
 

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I drive Like Grandpa, 18-19 mpg (75% highway). I have a stock 1994 S-10 X-cab, 4.3L TBI, Automatic w/ OD, with nearly no mods at this time.



I am about to put it in the shop because of low power at 50-75 mph in Overdrive, and an occasional “check engine light” and varying idle speeds when stopped.



The trouble is, when in Overdrive at 50-75 mph the engine seems to be struggling. It goes into passing gear for even the slightest uphill, but Regular Drive “D” seems to over-rev above 50 mph. It seems to have a very tall differential but I am not yet sure just what ratio it is.



Two days ago I ended up with oversized snow tires on the rear (235 / 75 / 15). They lug the engine a bit more during acceleration, but it looks like they may allow me to stay out of overdrive at 65 mph. Which is actually about 62 mph on the speedometer now.



I am wondering about,

Changing base spark timing to try for “power band” at 65mph,

Getting a chip, (but which one?)

Going to very small tires and using overdrive,

Hiring someone to change the rear end,
 

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Your Mom Goes To College
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749 Posts
Isn't it bad to run the gas that low in these vehicles? When I got my fuel pump replaced the guy told me to never let it dip below a quarter of a tank because then the fuel pump doesn't get cooled properly.
 

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between 380-420 miles a tank at 17.1 gallons, for a 2.8 5speed
my 4.3 gets less than 300 miles per tank
 

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scomp23 said:
Isn't it bad to run the gas that low in these vehicles? When I got my fuel pump replaced the guy told me to never let it dip below a quarter of a tank because then the fuel pump doesn't get cooled properly.
I heard the same. Funny, bunch of people I know round here tell me how they're
always going through fuel pumps on their s-series.. But I never had trouble with
mine, I always keep my tank as full as possible. :dunno:
 

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'98 Gnome-ahh
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with my '96 blazer i get an average of 16- i do about 50/50 highway/city... and have a bit of a leadfoot stoplight to stoplight... :)
 
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