Is the jury still out? I don't see any posts that support an improvement over the older tunes. Do you have a thread with a customer suggesting this is a good idea before I go spending another $100 on a tuner that I never really saw much of an improvement with in the first place. Please don't over ...

I own an Excursion 7.3 2001 and purchased a Predator a couple of summers ago to improve fuel economy. I have tried it out a couple of times with no luck. So far I can not see any noticeable advantage in fuel economy. I am only interested in mpg.

I tried it again on my last tank and lost about 10 ...