May be the twin-turbo Variation from the 13B engine meant to power the 3rd-technology RX-7 introduced in late 1991. Every rotor on 13B-REW has an individual combustion chamber quantity of 654cc. With two rotors, the total displacement was 1308cc. Ideal match for the Mazda swap or substitution challenge. Indeed, the https://jdmengineforsale.com/