Could be the twin-turbo Variation of your 13B engine designed to energy the third-era RX-seven launched in late 1991. Every single rotor on 13B-REW has an individual combustion chamber quantity of 654cc. With two rotors, the overall displacement was 1308cc. Ideal in good shape for the Mazda swap or replacement https://emilianofhjjl.shotblogs.com/the-best-side-of-rotary-engine-rx7-52865165