NOT KNOWN FACTS ABOUT ROTARY 13B

is the twin-turbo version with the 13B engine made to electrical power the 3rd-technology RX-7 released in late 1991. Each rotor on 13B-REW has one combustion chamber volume of 654cc. With two rotors, the whole displacement was 1308cc. Ideal healthy for a Mazda swap or substitution project.It’s however loud, but I would've cherished to get heard