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1973 - 1979 F-100 & Larger F-Series Trucks Discuss the Dentsides Ford Truck
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Old Apr 19, 2009 | 02:47 PM
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I know this gets asked a lot.

But I cant find other threads. What kinda gas mileage are yall gettin in your 73-79 4x4's? mostly interested in 79's with the 400 and 4 speed tranny but wouldnt mind hearing input on all others. I will say they I know they suck gas but I am interested in buying one and am not buying it for gas mileage . I just wanna know how much to budget. Thanks!
 
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Old Apr 19, 2009 | 03:32 PM
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You can't say oh you will get X amount of Miles per gallon,it all depends on the area you are driving in (Like hills,flat,freeway,etc).
And it also depends on the type of driver you are.
No two people drive the same,some are pushy aggresive drivers,while others are mellow,cautious drivers.
Well,I bid you luck my friend.
~~76SCS~~
 
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Old Apr 19, 2009 | 04:25 PM
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I me3an somethin like "i get 10-12 or "I get 11-13 etcc...
 
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Old Apr 19, 2009 | 04:37 PM
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Originally Posted by Caleb1
I me3an somethin like "i get 10-12 or "I get 11-13 etcc...
That wouldn't be very accurate.
It also depends on the type of fuel,octane level,and how you drive,were you drive,and I get about 15-Miles Per Gallon. (76 F-350 2WD,390,4-speed).

On an un-related note,you might want to change that "me3an" to "Mean".
 
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Old Apr 19, 2009 | 05:08 PM
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I get 8-10mpg. Healthy 390 (<20,000 miles on rebuild - hotter than stock), C6, 4:10's, 37" Iroks. I get the same mpg no matter if I'm driving like a mad man or putt-putting along. Also terrain makes no difference, nor if I'm pulling a trailer or not. It's all the same.

If I was at all worried about gas mileage, I'd get a car.
 
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Old Apr 19, 2009 | 07:14 PM
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The 77 in my sig gets 12-13 mpg.
 
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Old Apr 19, 2009 | 07:36 PM
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78 400 with C6 3 speed auto. 10.5 miles per gallon.
 
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Old Apr 19, 2009 | 08:03 PM
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Originally Posted by 76f350spercamprspeal
That wouldn't be very accurate.
It also depends on the type of fuel,octane level,and how you drive,were you drive,and I get about 15-Miles Per Gallon. (76 F-350 2WD,390,4-speed).

On an un-related note,you might want to change that "me3an" to "Mean".

A couple new words for you. Estimate and Average.

Take a bunch of different, but same equipped F-series vehicles, and test their mileage.

Say you have Ten, F-150, 4x4s, with the 400cid engine, with 4 speeds. Add up all their mileage numbers together, then divide by the number of vehicles tested. In this example, divide by Ten.

Of the people who posted so far...

A: 8-10 MPG
B: 12-13 MPG
C: 10.5 MPG

Round the numbers off to the nearest whole number....

A: 9 MPG
B: 13 MPG
C: 11 MPG

Add them all together...

9+13+11= 33

Now divide that number "33" by three.

Thirty-three, divided by Three, equals Eleven

The average mileage of the first three posters trucks in this thread is 11 MPG.

The more people post their trucks MPG, the more accurate the average will be.

BTW, this is how the EPA does/did it when they put the MPG on the window stickers when they were new.

Any questions?
 
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Old Apr 19, 2009 | 11:05 PM
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i get around 7 highway. went about 100 miles when i first got the truck with little tires, 4spd, 4.10s and a 390.
 
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Old Apr 19, 2009 | 11:33 PM
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74 highboy, 390 c-6 4:10, I get 8-10 I would say.
 
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Old Apr 19, 2009 | 11:40 PM
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Best I ever got was 13mpg. I was satisfied with that.
 
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Old Apr 20, 2009 | 02:07 AM
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'75 F250 4x4, 390, 4spd, 4.10's, 32" BFG's, 9mpg in town, 11mpg on the highway.
 
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Old Apr 20, 2009 | 08:45 AM
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I got around 12 ave. worst i ever got was 9.with a 78 F250 ,400, auto and 4X4 .In my other 78 f250 351m,auto and 4x4.13 ave.worst 11. both had the 3;55 gears
 
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Old Apr 20, 2009 | 09:05 AM
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8-10 driving like an old lady. Mileage sux no matter how you look at it.
 
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Old Apr 20, 2009 | 09:46 AM
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Thanks everyone! this really helps!
 
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