May be the twin-turbo version of the 13B engine meant to ability the third-generation RX-seven launched in late 1991. Each individual rotor on 13B-REW has an individual combustion chamber volume of 654cc. With two rotors, the overall displacement was 1308cc. Best match for a Mazda swap or alternative venture. Guidelines https://13b-engine-for-sale83692.bloggactif.com/30590133/the-smart-trick-of-rotary-engine-for-sale-that-nobody-is-discussing