May be the twin-turbo version with the 13B engine meant to electricity the third-era RX-seven introduced in late 1991. Each rotor on 13B-REW has one combustion chamber volume of 654cc. With two rotors, the overall displacement was 1308cc. Excellent suit for a Mazda swap or alternative project. Yes, the Mazda https://13b-turbo-2-engine-for-sa94691.myparisblog.com/39501565/details-fiction-and-mazda-13b-rew-motor-for-sale