Sebring, FL Mar. 2-4 Ray Van Zelst leads a quartet of Porsche 356s.Photo: Art Eastman The 1989 Pontiac Grand Prix of Robert Conner.Photo: Art Eastman The 1977 Ralt RT2 of Robert Blain.Photo: Art Eastman Richard Ballantine and his 1965 Alfa Romeo GTZ1.Photo: Art Eastman The winner of the Rolex Three-Hour Enduro was the team of Charlie Agg and Craig Bennett in AggÕs 1990 Nissan R90C.Photo: Art Eastman