The TAG Turbo 930 by Lanzante: In the 1980s, Porsche used a 930 Turbo body as a running prototype for its Formula 1 engine. A mule was built, but never developed and, because strictly speaking it was McLaren's property, it was duly returned to McLaren's Woking base at the end of the contract. To use up the remaining stock of TAG Formula 1 engines, Porsche had contemplated installing them in the then current 911 Turbo, the 930, but development complications and the company's growing preoccupation with its financial position meant the idea was abandoned. Now, 40 years later, the British racing team Lanzante has completed the project

It was one of Formula 1's most successful partnerships. Between 1984 and 1987 a Weissach-designed 1.5 V6 turbo powered McLarens to two manufacturers' titles and 25 Grand Prix victories in [...]