||you are prepared to add an onboard wide O2 sensor, datalogger and boost sensor, and if you have the skill and self discipline to make small incremental changes ....
Flame suit on ....
ConVerTT - 93 Hi Compression TT Convertible (black)
XtraVerTT - 93 Hi Compression TT Convertible (glacier white)
SlickTTop - 96 OBD1 TT Slicktop (black)
Old Yeller - 90 Slicktop NA (PGY)
RedZed - 90 "factory" 2+0 TT
EmoZed - 89 RHD for parts - RIP
And their hot Asian Cousin - 01 Acura NSX NA