Is the dual-turbo Edition from the 13B engine designed to power the 3rd-generation RX-7 introduced in late 1991. Each individual rotor on 13B-REW has a single combustion chamber volume of 654cc. With two rotors, the total displacement was 1308cc. Great healthy for a Mazda swap or substitution job. Throttle response https://beckettijgcw.blogdal.com/34240111/jdm-mazda-rx-7-fd-13b-rew-engine-for-sale-fundamentals-explained