Ok guys I am new to the whole forum thing so please bare with me. I have an 08 vert GT with a 5 speed. Mods include ford racing CAI, Comp cams mutha thumpr cams, comp cams phaser limiters, MAC offroad pro chamber mid pipe with Pypes pipe bomb axle backs. Tuned by bama and currently working with Lito on a tune. The issue I am having is that the car does fine when doing a dig pull until about 3rd gear. In 3rd, at WOT, the car starts to bust up/misfire at about 80mph. It does not do it in 1st or 2nd but once in 3rd, is when it starts and will do it all the way through 3rd and into 4th. It will not do it in 3rd when it is not at WOT until it you get to about 80 and go WOT. I hope this all makes sense. The plugs have recently been changed and the fuel filter is fine. I have tried data logging with bama about 4 or 5 times with no luck. So I sent Lito a request and did a base tune with him last night and the car is doing the same thing. (I am getting a config file today to start data logging with Lito to see if he can see it in the log) Thanks in advance for your help guys.