GTSSportCoupe
2LTE abuser
Here are the manuals for your engine. The first is the main manual, the second is the supplement which includes stuff specific to the turbo version. Took me a long time to find these, and they are gold!
RM520E (Main for 2L, 3L & 5L engines)
http://forum.h4k.no/download/file.php?id=14135&sid=f426b91359e5825fb43df98b70107dfa
RM582E (Supplement for 2L, 2L-T, 3L and 5L engines)
http://forum.h4k.no/download/file.php?id=14134&sid=f426b91359e5825fb43df98b70107dfa
RM520E (Main for 2L, 3L & 5L engines)
http://forum.h4k.no/download/file.php?id=14135&sid=f426b91359e5825fb43df98b70107dfa
RM582E (Supplement for 2L, 2L-T, 3L and 5L engines)
http://forum.h4k.no/download/file.php?id=14134&sid=f426b91359e5825fb43df98b70107dfa