TM2 map to Turbo - crashing
Turbo map to TM2 - successful, if map is empty

Turbo files to TM2 - nothing
Rename Turbo files to TM2 while in-game - crash
Lagoon named in TM2 as _Unassigned, or Unknown Collection
You can try to found Turbo folder for macroblocks and put TM2 macroblocks into Turbo...