L300 space expansion possible?

hello, wanted to ask something. was a few time l300 fan and I often got lost here in the forum. now I have come to an idea and wanted to ask how good it is to realize here. with my polo g40 (serie 1,3l) there is a relatively easy way to expand the space by installing the crankshaft with pleulrods and pistons in the exact same PY motor from the bore (which also goes with the non-g40 charged 1,3l machines), it takes the difference thus ni cht from the surface of the piston but from the hub. after that he has about 1.4l of space. now I just ask, since I drove the 2.4l gasoline withsu, whether there is not the same effect with the 2.5l diesel crankshaft, or are the bores too different? what do you think would give this for an increase in performance, would he crack the 120 HP? as I said, I plan nothing, I would just fill the problems like with the polo g40 with higher temperatures etc. . (there are different valves filled with sodium, other pistons etc.) should hardly exist with mitsu, since it is not charged … so the pistons should do this without further ado, but how is that with the drilling of these two motors? beautiful grout to the old l300 friends björn