Would be the twin-turbo Variation with the 13B engine intended to electrical power the 3rd-technology RX-7 introduced in late 1991. Each individual rotor on 13B-REW has only one combustion chamber volume of 654cc. With two rotors, the whole displacement was 1308cc. Ideal in good shape for the Mazda swap or https://riverkyktc.activosblog.com/37586183/the-best-side-of-built-13b-motor-for-sale