 Complete the following phrase:  For 1977, Boy Hayje drove a RAM-entered March with little success, and a second rent-a-car did no better later in the year when driven by Andy Sutcliffe, Mikko Kozarowitzky or Michael Bleekemolen. However, they had some success running Guy Edwards in the Shellsport Group 8 Championship in Britain, finishing 2nd overall. For 1978 the team switched to the British Aurora Formula One series, with Edwards placing 4th overall that year in a March, and 5th overall the following season in a Fittipaldi F5A. For 1980, RAM made an investment in a pair of 1979-spec Williams FW07s, with Emilio de Villota winning the title. Sponsorship included American mens magazine Penthouse. They then entered one of these cars for Rupert Keegan in the 