unfortunately, no, they cannot, well, not using the stock pcm.
if you google eficonnection they have a ls1 pcm conversion kit for the lt1 cars, and then you could use efilive, and hptuners and treat the vehicle like it is a ls1 car.
2006 Quicksilver GTO, M6 Daily Driver
1998 WS6 TA M6 Bright Red. ASC #370 -- SOLD