Is the twin-turbo Variation on the 13B engine created to power the 3rd-generation RX-seven launched in late 1991. Each individual rotor on 13B-REW has a single combustion chamber quantity of 654cc. With two rotors, the entire displacement was 1308cc. Fantastic in shape to get a Mazda swap or substitution undertaking. https://rafaelmfrfm.onesmablog.com/the-mazda-rotary-engine-sale-diaries-79917871