NISSAN RB26 ENGINE NO FURTHER A MYSTERY

The bore and stroke on the RB25 block is 86mm × seventy one.7mm, and it was based upon the outgoing RB20 block. The pistons and rods were being also derived from the RB20 but were being more powerful and even bigger.The hood also experienced a NACA duct for more productive engine cooling without the need of disturbing the aerodynamics of the car,