This was followed in 1988 by the M20L PFM, powered by a Porsche PFM 3200 engine which had been developed from the 911 Carrera engine. The maximum speed with this configuration was . The fuselage was stretched to form the first long-body M20. One new feature on this airplane was the replacement of the throttle, mixture and propeller controls with a single power control; mixture and propeller rotation speed were automatically adjusted based on the setting of this single control. The Mooney PFM did not last, with a total of 41 units having been manufactured in 1988 and 1989. Most M20Ls no longer use this unique engine, as factory support ceased in 2005.