Need Help on '04 5.4 custom tunes.

[Longshot270]

Originally Posted by cajunboy2208

Thanks for the info. Next fill up I will give it a try.
Well I ordered mine when they were rushing to catchup. So... eh

Yeah, but like I said, take your time to make sure you have the right amount of advancement. That is one of the adjustment that could have expensive consequences.

Maybe that but as Bill says, every truck reacts differently. What works for one doesn't always work the same for another.