I used to own a 1990 TSI (aka older ones). They come with 11-11.5 PSI out of the box.
The pre 93 have tranny problems. After that they received upgraded trannies. I had to replace the clutch on mine, after everything it cost $915 Canadian or $600 US. OUCHHH!
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C ME FLY
88 coupe
14.75 @ 98 mph
Traction Limited