Some variations in CombinedFT is normal. I would only compare those after driving DSM for at least 20 -30 mins on the fully hot engine including at least on WOT. Also, i use my factory boost gauge for LTFT so i can always see how well things line up, very useful for me.

1996 Eagle Talon TSi AWD
1999 Eclipse GST Automagic
1991 3000GT VR-4