could be the twin-turbo version of the 13B engine designed to electric power the third-era RX-7 launched in late 1991. Each rotor on 13B-REW has a single combustion chamber quantity of 654cc. With two rotors, the full displacement was 1308cc. Perfect fit for just a Mazda swap or substitution project.The costlier areas, as well as the amplified labo… Read More