A passive knock sensor was utilized to get rid of knocking, and later on products highlighted a specifically-made smaller and lighter "Impression Turbo" which was tweaked for the exclusive exhaust signature with the Wankel engine to get a 5-horsepower boost.[13] The engine ongoing until finally 1989 from the HB Cosmo https://codydujaj.blogozz.com/29589808/what-does-rx7-motor-mean