Following the introduction of the first turbocharged rotary engine in the Luce/Cosmo, a similar, also fuel injected and non-intercooled 12A turbo engine was made available for the top-end model of the series 3 in Japan. It was introduced in September 1983.[5] Power is 165 PS (121 kW) JIS at 6,500 rpm. While the peak power figures were only somewhat higher than those of the engine used in the Luce/Cosmo, the new "Impact Turbo" was developed specifically to deal with the different exhaust gas characteristics of a rotary engine. Both rotor vanes of the turbine were remodelled and made smaller, and the turbine had a twenty percent higher speed than a turbo intended for a conventional engine.[6] The Savanna Turbo was short-lived, as the next generation RX-7 was just around the corner.