In 1993 King Racing expanded to a full-time schedule with Guerrero driving their No. 40 Budweiser Lola T93/00-Ilmor-Chevrolet Indy V8 265C. At the Indianapolis 500 Guerrero qualified 10th and finished 28th after being involved in a crash with Jeff Andretti after 125 laps. During the year Guerrero and King consistently qualified in the mid-pack, with a best start of 4th at the Valvoline 200 at Phoenix International Raceway. Guerrero's best finish was also a 4th at the New England 200 at New Hampshire Motor Speedway. Following the Molson Indy Vancouver at Concord Pacific Place King released Guerrero. Guerrero finished 14th in the championship with 39 points (he was 13th in the championship at the time of his release).