may be the twin-turbo Variation from the 13B engine designed to power the 3rd-generation RX-7 introduced in late 1991. Each rotor on 13B-REW has only one combustion chamber volume of 654cc. With two rotors, the total displacement was 1308cc. Best match for the Mazda swap or replacement venture.as depicted on Youtube, depart it on and We are going t… Read More