This unit will pay for itself in no time just on the gas savings, alone.
On 25 gallons of gas, I can now drive 62.5 miles farther than I could before using the X4. I am definitely glad I purchased the SCT X4. I have not tried the towing mode yet, but I will as it warms up. But, I don't really feel I need to at this time. There are many other options I can adjust, too, like spark, idle speed in neutral and in drive and other options. This seemingly unnecessarily confusion is easily overcome. There are web sites that can easily convert a tire's size to its revolutions per mile. Instead, the X4 requires the user to know the revolutions per mile. I expected to be able to enter my actual tire size. The tire size configuration is interesting. I didn't think there was any problem with the shifts before, but after increasing the pressure they are simply tighter and quicker - similar to installing a shift kit without the jerky punching. I also increased the shift pressure 5% (there are other options for more percentage increases) for each shift and that, too, made a night and day difference.
turn the key on, press start, turn the key off).Īfter running a couple tanks of fuel with the 87 octane tune, I can confirm I am getting approximately 2.5MPG more than I was before. Updating the truck's computer took about 5mins and the X4 walked me through every step (e.g. And connecting it to the truck is just like connecting any other OBDII device.
#SCT TUNER UNLOCK PRICE UPDATE#
I mainly bought it because I wanted the latest computer tune for 87 octane fuel, the option to enable towing mode when necessary and to be able to update my tire size and correct my speedometer since I have 22" wheels for summer. I used this on a 2005 F150 with a 5.4L and 4spd auto transmission.
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