“Where Our Customers Send Their Friends” Porsche Engines for Sale Janis Joplin paid about $3500 for her 1965 Porsche 356c Cabriolet with the 1582cc overhead valve opposed four-cylinder Porsche engines, capable of producing 75 horsepower. Which she bought from a Beverly Hills auto dealer in September 1968. Prior to the sale, the dealer had painted the car [...]