It should be noted that - as an Expedition driver, it can be assumed that I am not too concerned about emissions and would be willing to modify my Expy in many ways without regards to emissions. Particularly if it were just a program, which I could remove or add easily before and after...
Update
So we've had three full tanks of gas 93 octane gas since I installed the tune, and our average is now 15.7mpg. It hasn't averaged that far above 15.4 in over 10 months, {except for a quick stint to 16.7mpg during a 4000mile trip to Colorado.}
Given all of the conditions which affect...
You should contact Hypertech to discuss the differences between the HyperPAC and the Power Programmer to see if the extra dinero is worth it for your application... I'm not racing my Expy, just hauling kids and a boat occasionally, so I don't need all the PAC features.
Besides, if I have...
Hypertech Power Programmer III model 41043 works for '05 Expy with 5.4L 3v. See my further comments in the post linked below...
http://www.expeditionforum.com/forums/showthread.php?s=&threadid=1946
I'll post more regarding mileage after I've had it a little longer.
I got a Hypertech Power Programmer III, model 41043, for my '05 EB Expy. It was about $290 from autoanything.com at sale price and was tax-free and free shipping.
It was super easy to re-program the the power programmer, and easy to revert back to stock... takes about 20 minutes to...
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