It's a Frankenstein, of sorts. To mis-paraphrase Feerdinand Porsche, 'I couldn't find the Porsche of me dreams, so I built it myself.'
It's a 1972 tub, with a 1995 3.6l engine, a magnesium-case 1977 transaxle, 1986 930 brakes, and various other components ranging from 1965 to 2000.