1980 Interscope/Porsche Indy Car
Indeed, this was developed using a 935 turbo engine and a Parnelli chassis, but never raced due to politics. We can only imagine the impact this could have had on the Cosworth V8 that was dominating Indy at the time.
This is a fascinating piece of history, and would be a magnificent ride at any vintage event.
It’s on eBay in Florida for $599,900 or offer.