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Old Nov 1, 2009 | 06:51 PM
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Fuel mileage

Hi!

Does anybody know what is approximatively the fuel mileage of a 1991 F-150 4x4 with the V8 and the 5 speed?

Is there a big difference with the 6?

Thanks everybody!
 
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Old Nov 1, 2009 | 06:52 PM
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302 or 351w v8?.............makes a lot of difference.
 
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Old Nov 1, 2009 | 06:54 PM
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It's a 302 EFI.
 
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Old Nov 1, 2009 | 07:06 PM
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13-15mpg city.........17-18mpg hiway.......20mpg hiway if driven very conservatively and in good tune.
 
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Old Nov 1, 2009 | 07:20 PM
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Mileage response

Our 1996 Bronco 302 5-speed (3.55 gears) MPG readings run 14.5 to 18 - depending on city vs highway & winter vs. summer fuel blend.

dn.
 
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Old Nov 1, 2009 | 07:52 PM
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Well thanks. But is there a difference bitween the v8 and the 6 cylinder, I do a lot of highway. I don't want to change my truck, I realy like it, so......
 
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Old Nov 1, 2009 | 09:01 PM
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All else being the same... same truck, trans and gearing, the I6 doesn't do any better.
 
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Old Nov 1, 2009 | 11:15 PM
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Yeah, like Conanski said it will be close to the same. I think the I6 can do better than the 302, but only very slightly and definitely not noticable.
 
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Old Nov 2, 2009 | 03:38 AM
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mine is currently knocking down 17-18, but its really in need of a set of tie rods, it has almost a 1/4 turn of play... if your 5.0 runs good, i would just stick with it, it wouldn't be worth the swap unless you were (at minimum) already swapping.

88 f150 extended cab
5.0, 5 speed, 4x4, 3.55's
k&n, electric fan, stock size tires.
 
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