Phoenix, AZ Feb. 15-17 The Ralt RT5 Super Vee of Paul Lisec is pursued by the Chevron B-27 Atlantic of John Obialero.Photo: Gordon Jolley Philippe Reyns, in his Lola T212, attempts to hold off the Chevron B-21 of Kenton Greth and the Lotus 23B of Dick Dorris.Photo: Gordon Jolley The NASCAR Ford Thunderbirds of Garland Self (#15) and Ron Huber (#28).Photo: Gordon Jolley Bill Sadler, in his Sadler MkII, leads the BMW 1600 of Tom Zelesky.Photo: Gordon Jolley