well, just a glimpse...
2 type of B8:
BPT = 1.8 injection DOHC 16valve GTX turbo. Also known as B8 180Produced in 1990 to 1994
BPD = 1.8 injection DOHC 16valve GTR turbo. Also known is B8 210 Produced in 1993 to 1994.
standard boost 0.6bar to 0.7bar
for details on how it'll fit into spectra, go ask 9188, a regular here, done b8 conversion on his sephia