Is the twin-turbo Model in the 13B engine intended to energy the third-technology RX-7 released in late 1991. Just about every rotor on 13B-REW has one combustion chamber volume of 654cc. With two rotors, the total displacement was 1308cc. Great suit for a Mazda swap or substitution job. Common Merchandise https://reidmgzqh.blogdeazar.com/39245401/what-does-13b-turbo-for-sale-mean