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Discussion Starter #1
I have an 05 fx4 5.4l with a k/n cold air intake, 2.5 in leveling kit and 33in nitto trail grapplers and was looking for a nice programmer worth the money. One to save some gas in the summer and turn on the performance in the winter for hunting season. Any suggestions?
 

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Edge, Gryphon and Xcal3 are some of the more popular but remember, when you add one of these you will get more power and that will be due to higher fuel consumption...added power and better economy are like oil and water.
 

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Fuel economy benefits to tuning come by decreasing the air fuel ratio slightly such that less fuel will be injected into the system. Do that and you'll naturally have less power.

There are certainly better (and cheaper ways) like driving slower, keeping the engine running its best with regular oil changes and helping it to breathe better. Cold air intakes systems or even a K&N filter will help it breathe better which can help in the fuel mileage department.

I'm not sure which F-150 model you have but mine is a SuperCrew (4 door) 4WD with the same 5.4L engine with a K&N and if I go easy on the gas pedal I can squeak out 20 on the highway (no air conditioner) if I run it at 65 mph. Anything else and it starts to drop. Here in the summer time I drive it and I get maybe 17 or 18 out on the highway but I knew that going in so I can accept it as the nature of the beast.
 

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Discussion Starter #5
I as well have the same crew cab 4wd. I have a 2.5 leveling kit on 18 inch rims with 33 inch tires and im running about 14 highway. problem is i mostly do city as i work right in the middle of the city. im not so much worried about losing a little bit of power because i do not tow that much until late in the hunting season with a 14 foot trailer. I was looking at the edge evolution cs gas programmer. Do you Know any details or have you heard anything on them?
 

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Sorry, I haven't...perhaps someone else may have.
 

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all programmers do the same things some offer more in one thing than a norther will. if you find one that has three setting you can use it to help with towing, performance, and MPG some have little pods that mount to the dash others need to be plugged in and setup every time you need to change from one mode to the next. all come with what is known as caned tunes the higher end tuners come with the option to add custom tunes.lets talk about if you tow a lot or haul a lot of stuff and need to have good MPG to its not going to happen it's one or the other. remember you have a 6k LBS truck not a little focus and the thought of good MPG well its hard to get that mass moving with keeping MPG high. hope this help in some way and good luck.
 

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I as well have the same crew cab 4wd. I have a 2.5 leveling kit on 18 inch rims with 33 inch tires and im running about 14 highway. problem is i mostly do city as i work right in the middle of the city. im not so much worried about losing a little bit of power because i do not tow that much until late in the hunting season with a 14 foot trailer. I was looking at the edge evolution cs gas programmer. Do you Know any details or have you heard anything on them?
The factory settings are about as efficient as you can get. Setting lean conditions can do more harm than good, due to increased combustion temps that can damage valves, O2 sensors, etc.

I agree with Mac, the best way to increase MPG is changing driving habits.
 
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