I can say from real experience there was bugger all (no?) difference between VF22 and VF23 on the same setup, there was about a 1kw difference so probably within margin of error tbh.
The 22 stays on boost better however and feels less responsive around town. The car feels slower in the real world but lap times disagree.
I have enjoyed my VF22, but I am quite excited to go bigger now. I am just wondering where it ends