Could be the twin-turbo Model in the 13B engine intended to electric power the third-era RX-7 introduced in late 1991. Every rotor on 13B-REW has just one combustion chamber quantity of 654cc. With two rotors, the whole displacement was 1308cc. Ideal match for any Mazda swap or substitution venture. That https://mazdarx7turbo2engineforsa31724.blogdosaga.com/29696461/13b-turbo-engine-for-sale-for-dummies