Could be the twin-turbo Edition of the 13B engine meant to electricity the third-era RX-7 introduced in late 1991. Just about every rotor on 13B-REW has an individual combustion chamber volume of 654cc. With two rotors, the overall displacement was 1308cc. Best match for your Mazda swap or substitute challenge. https://lukasrqokg.review-blogger.com/60325924/the-13b-turbo-2-engine-for-sale-diaries