May be the twin-turbo Model with the 13B engine created to ability the 3rd-era RX-7 launched in late 1991. Each rotor on 13B-REW has an individual combustion chamber quantity of 654cc. With two rotors, the overall displacement was 1308cc. Great in good shape for just a Mazda swap or alternative https://13bbridgeportengineforsal16946.blogdal.com/31300233/top-guidelines-of-built-13b-motor-for-sale