In Super GT’s GT300 category there are three types of car, European style cars built to the FIA GT3 regulations, JAFGT300 cars which are exceptionally heavily modified production cars and a final sub grouping of cars, ‘Mother Chassis’ which have no production parts in their construction at all. This article tells the story of the Mother Chassis and the ‘MC’ cars which resulted from its introduction.
Part 1: The birth of the Mother.

In late 2011 a group of key players in the Japanese motorsport industry headed by Dome founder Minoru Hayashi created a new kind of GT racing car. In Japan there had been a trend toward small teams importing and running European GT cars and Hayashi and the group felt that the local level of engineering talent was falling, and that the decline in engineering ability would be felt across Asia where the motorsport scene s growing rapidly. ?Be aware in order to have any racing in South East Asia where there are no sports cars being produced the only option is to import European cars, which was the same destructive path Japan followed? Hayashi wrote at the time. ?My suggestion is a policy of ? if you don?t have one, make one. The new mother chassis is the basis of that, you can buy just the chassis or a complete car design and build an original car around that chassis. This will allow the focus of racing to be on technological competition and not all about drivers.?
The overall concept was that Hayashi’s co...