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Ford F150 4.9 MPG increase? 
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Joined: Sat Jan 01, 2011 2:59 pm
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Post Ford F150 4.9 MPG increase?
Hey ya'll,
I recently purchased a 93 F150 with a 4.9l. The overall truck was very well taken care of and right now runs very well, but I know there are a few things out there I can do to improve the gas mileage. Does anyone hear have proven methods to increase air flow and/or fuel economy? I'm very familiar with other engines, yet inline 6's are another beast I've yet to master. Any suggestions are greatly appreciated as I'm just beginning to gather as much info about these motors as I can.
Thanks in advance


Sun Jan 02, 2011 12:03 am
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Post Re: Ford F150 4.9 MPG increase?
[url]]http://fordsix.com/forum/viewtopic.php?f=2&t=64384[/url]


Sun Jan 02, 2011 12:06 am
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Post Re: Ford F150 4.9 MPG increase?
Low cost is advance ignition, change to all synthetic oils, K&N air filter, after that it gets more expensive, like a better flowing exhaust system and few mods inside the engine.

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My fleet of Sixes: 1954 Customline 223 3 speed with O/D, 1963 Fairlane project drag car with BB6, 1977 Maverick 250 with C4, 1994 F-150 a 300 with 5 speed.


Sun Jan 02, 2011 12:18 am
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Post Re: Ford F150 4.9 MPG increase?
one of the biggest things you can do is go easy on the throttle. a vacuum gage helps you see how much youre giving it, so you can see the need to pull back a little and save a lot of gas.

regarding the K&N that bubba mentioned, those have been disputed back and forth, and the general consensus from what i've heard is they can't flow any more air without reducing the quality of filtration, and from what i've heard theyre not a good fit for an economy minded user

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83 F250 flatbed 300-6, NP435, 4X4, 5800lbs empty weight
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Sun Jan 02, 2011 1:14 am
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Post Re: Ford F150 4.9 MPG increase?
Thanks fellas. I appreciate your input and suggestions.


Sun Jan 02, 2011 9:38 pm
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Post Re: Ford F150 4.9 MPG increase?
If you do a search for mpg in this forum you will find lots of suggestions and ideas. A vacuum gauge and adopting hypermiling-type driving habits will get you more bang for very little bucks; my suggestion is you do that before you spend money elsewhere. A tonneau will help.

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1995 F-150, 300-6, 4x4, ex-cab, sb, 3.08 5-speed, 2 1/2 in. exhaust w/flowmaster 50, MSD + ignition upgrades, canopy, 171,000 + miles Gone but not forgotten: 1965 F-100 240 3spd lwb "the green hornet"; 1991 f-150 300 5sp 2wd sb, 1960 F-250 4x4, 223 six, 4sp with wrap-around rear window, two-tone paint.
Tow vehicle: 2012 F-250 4x4 6.7 diesel XLT s/c lwb 20+mpg


Mon Jan 03, 2011 1:09 pm
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