I have a Flex Fuel Predator for sale bought new in 1-09.
It is unlocked and it has the latest revision loaded and ready to use.
This unit allows late model non Flex Fuel GM trucks to use any amount of pump E85 available and yes it works. The performance enhancement specially in torque is excellent although your MPG on E85 will be less due to E85 having less BTU content. MPG is BTU per gallon dependent.
In my area E85 is $.60 cheaper then 87 octane. Running summer blend E85 is like running C12 performance for less the 87 octane price!
I also like mixing 25% ethanol by volume which gives me premium performance for less then 87 octane price and the mpg is very close to pump gas.
This unit has worked great for me, and the flex fuel tune helps improve MPG while on gas only as well over the factory tune.
I am selling it because I have HP Tuners and don't need it anymore, however I continue to use E85 in my truck as well as the 02 Z06 Vette, 2000 Alero, and wifes Trailblazer, all non factory flex fuel vehicles.
My vehicles love the corn juice!
I will sell the unit for $200.00 shipped, if you want the cable and power cord (not included when buying new) for internet dowloads and upgrades I will sell them for $50.00 included in this sale.
You are free to check my Ebay status as minasdad for a reference of feedback.
here is a link to the info on the Predator tuner
http://www.diablosport.com/index.php...isplay&pid=112
I will consider all reasonable offers, possibly trades depending on what you got.

 

bump, great unit to add fuel choice flexibility!
Would consider trade for an unlocked U 7198 as a friend that could use that one.