 Only 62 Camaros were built with 1LE equipment in 1990.The Last 1990 Camaro Rolled off the line on December 31, 1989.Camaros in IROC-Z trim that were equipped with the 5.7 TPI Motor received a slight horsepower increase to 245 at 4,400 rpm and torque numbers also rose to 345 at 3,200 rpm.