1992/1993 Vin L and Vin 1 3800 Buick Engines (NA and Supercharged). Didn't you do a bunch of Fiero work? I am looking for a source for the turbocharger pipes to fabricate the in/out. In case you are keeping the webpage up to date. Terry Kelley 1986 Olds Ciera GT 3800 Supercharged