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Gas milage 6cylinders

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Old 02-03-2010, 02:27 AM
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YAH-HERD... Post them up...Lets see your gas milage....

What has Helped or hurt too..
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Old 02-03-2010, 02:35 AM
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When i bought my truck it was getting 12mpg...

now it has 37k miles and gets about around 15-17 with K&N drop in... and 3.73's limited slip 265x75x17...

gets 14 when i tow or drive a little harders....

gets 12.5 when it snows and i drive it really hard..through like a whole tank of gas.. haha
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Old 02-03-2010, 07:47 AM
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10 mpg average with 12.50 x 35 tires - (City/Highway driving)
12 mpg average with 11.50 x 32 tires - (City/Highway driving)

1987 F-150 4x4 4.9 L - 300ci Fuel Injected
3.54:1 gears
Automatic C-6 Transmission (No over-drive)
Air conditioned
12.50 x 35 BF Goodrich All Terrain T/A Tires
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Old 02-03-2010, 01:58 PM
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1991 I6:

17 mpg normally (Truely a mix, never go on the high way, but there aren't many lights around me.

15 mpg when I was playing around a little.

3.08 rear, 2wd, E4OD trans
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Old 02-04-2010, 11:15 PM
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I was getting 16-17 mostly city when I calculated without the trailer. I always pull the trailer so I figure my mileage with that. 10-11 with the trailer so I assume without has also remained the same.
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Old 02-05-2010, 09:11 AM
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As it is a new truck, I'm still unsure of what I'm getting. It appears to be better than what I got with the 4.9 though.
I started keeping track on the 1st of this month, so in a week or two, I should be able to calculate fuel consumption with some accuracy.
I'll post it as soon as I've got the figures.
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Old 02-05-2010, 10:36 AM
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'07 F150 XL, Rcab, 4x2, 4.2L, 3.73 limited slip, 265x75x17
Owned from 0 to 30K miles. During that time I consistently got 15mpg. 2 or three tanks I got 16mpg from driving mainly highway at slower speeds and only one time did I ever drop into the 14's. And that was from a week of heavy traffic, 25 miles each way.

It wasn't great, but at least it was consistent.
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Old 02-08-2010, 10:15 PM
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2008 F150 XL 2wd 5speed 3.55. 16-19mpg hwy
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Old 02-09-2010, 01:11 AM
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my 2002 4.2 single cab shortbed flare side..4.2 auto 3.55 245x65x16s cold air intake and 2 1/2 cat back duals... with a bed covor got about 19mpg with me driving... it gets 21 pretty consistand with my dad driving it now... and sometimes even gets 23
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Old 02-10-2010, 08:01 PM
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07 reg cab auto 3.55 bone stock. Close to 20 mpg in the summer 16 mpg in the winter.....
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