A passive knock sensor was utilized to get rid of knocking, and later on types showcased a specifically-developed more compact and lighter "Impression Turbo" which was tweaked for the special exhaust signature with the Wankel engine to get a five-horsepower enhance.[thirteen] The engine ongoing until 1989 in the HB Cosmo https://13bturboengineforsale21087.blog4youth.com/30684547/indicators-on-built-13b-motor-for-sale-you-should-know