is the twin-turbo Variation with the 13B engine intended to energy the 3rd-era RX-7 introduced in late 1991. Each and every rotor on 13B-REW has an individual combustion chamber volume of 654cc. With two rotors, the entire displacement was 1308cc. Excellent suit to get a Mazda swap or substitution job.One more reason that rotary engines are high-pr