I am tuning a 2011 Mustang GT currently and have everything lined out except for two things. It is a manual transmission and after shifting during a WOT pull it is pulling timing. It also concerned me that I randomly saw timing being pulled lower RPM low load cells but I noticed it was just during a light throttle free rev to about 1,800 RPM.
Is this anything to worry about? I'm guessing the free rev knock is noise from something but the timing being occasionally pulled after a hard shift is not good because it pulls a lot of power out of the car on WOT pulls when it does it. I have the car tuned to add right around the 4 degrees max I have set to allow plenty to be pulled for safety so I guess I could increase the advance rate to bring power back in quicker after recovering from a timing drop on a rough shift.