Entering the world of vintage race Porsches is never a cheap thing, but especially when you come to the quite popular era of the turbocharged 935 cars or the 956/962 prototypes, you’re easily talking about millions of dollars to get into them. However, just outside the realm of the factory cars lie a few specials that were built utilizing factory know how, parts and technology; indeed, in some cases they were faster than the factory offerings. Few were quite as good as the Kremer modified 935s, arguably the ultimate evolution of the turbocharged 911. However, the 935 was really on its way out of the limelight in the early 1980s, replaced by a new formula of prototypes that the factory was throwing its weight behind. As a stop-gap measure until the all-new 956 was released, Kremer and Joest both took the existing – and Le Mans winning – 936 open cockpit racer and modified it into a closed cockpit prototype to the regulations. In the case of Kremer, the new car shared the title with the previous Kremer 936 replicas; it was called the CK5 – C for Group C, K5 for the fifth evolution of their 935 design:
