The D inside the engine code stands for dual overhead camshaft (DOHC). This is often achieved by fitting an RB25DE or RB26DETT cylinder head and or turbo to a standard RB30E/T block. The RB25DET will not be normally used.Whilst initially supposed to the R32 GT-R and Group A touring motor vehicle racing, the engine was these types of a hit it contin… Read More