look at your green blocks.. you have provided excellent info... when you post on a thread about a situtation people will tend to look at your post then others as they see...
dude i would suggest calling Toda and talking to them about this.. if it is indeed a cracked sleeve it gives you an excuse to get forged pistions imo... since toda has re-managed they can give you...
yes you can i believe 1-2 screws come go in place but with some wiggling you should be able to screw it into a different section without casuing major issues to the climate control
imo i think you should be able to use the existing parts from the del sol BUT i dont think you can use the wiring loom as its completely different to the em1.