Is the twin-turbo Model in the 13B engine made to energy the 3rd-technology 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. Perfect match for the Mazda swap or replacement job. Tagore Autoparts is https://mazda-rx7-turbo-2-engine46891.post-blogs.com/59576579/5-simple-statements-about-rx7-13b-motor-for-sale-explained