Is the twin-turbo Model on the 13B engine intended to power the third-generation RX-7 released in late 1991. Every single rotor on 13B-REW has only one combustion chamber quantity of 654cc. With two rotors, the whole displacement was 1308cc. Excellent match for a Mazda swap or alternative undertaking. About VehicleHistory.com https://custom-rx769011.blogthisbiz.com/35979089/the-smart-trick-of-mazda-rx7-engine-for-sale-that-nobody-is-discussing