Mental trainer << Go Back Source: Porsche Newsroom Full Article: Mental trainer History 12/30/2016 In 1985, Porsche built an experimental model with the identification “911 F 22, prototype sports package 2”. Porsche Classic retrieved the prototype from the vaults and let it loose on the tracks where it was tested and honed 31 years ago. Tags: Automotive Technology, News, Porsche
History 12/30/2016 In 1985, Porsche built an experimental model with the identification “911 F 22, prototype sports package 2”. Porsche Classic retrieved the prototype from the vaults and let it loose on the tracks where it was tested and honed 31 years ago.