Is the twin-turbo Edition with the 13B engine built to electrical power the 3rd-era RX-7 introduced in late 1991. Every single rotor on 13B-REW has just one combustion chamber quantity of 654cc. With two rotors, the entire displacement was 1308cc. Perfect match for just a Mazda swap or substitute challenge. https://13btwinturboengineforsale44535.digiblogbox.com/63263267/the-mazda-rotary-engine-sale-diaries