will be the twin-turbo Variation on the 13B engine created to power the third-technology RX-7 released in late 1991. Each and every rotor on 13B-REW has a single combustion chamber volume of 654cc. With two rotors, the total displacement was 1308cc. Great suit for the Mazda swap or replacement task.The new Renesis engine was continue to a one.3L ro