[PcarPhil]

More info:

Here's the builder's car:
http://forums.pelicanparts.com/porsche-cars-sale/438950-1974-911s-993-3-6l-engine-track-car-sale.html

Here's the PO's car:
http://forums.pelicanparts.com/porsche-cars-sale/488883-off-track-excursion-nets-911-3-6l-track-car-iroc-style-opportunity.html