May be the twin-turbo Edition from the 13B engine intended to electrical power the third-technology 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. Fantastic healthy for a Mazda swap or substitution https://beckettnrpnv.iyublog.com/30301270/an-unbiased-view-of-rotary-13b