The most distinguished 4-rotor engine from Mazda, the 26B, was utilised only in many Mazda-built sports prototype cars and trucks such as the 767, 787B and also the RX-792P in substitute on the more mature 13J. In 1991 the 26B-driven Mazda 787B grew to become the main Japanese car and the very first vehicle with anything at all apart from a recipro