 Different seam sealers, structural adhesives, and body assembly techniques were employed in key areas in an effort to reduce squeaks and rattles and improve the perception of quality.The SCCA Showroom-Stock-ready 1LE package continued with similar equipment to previous years, and was again triggered automatically by the G92 Performance Axle option combined with C41 basic ventilation system (no air conditioning) on the Z28 coupe.Enthusiasts and dealers were becoming more aware of the 1LE, as production increased to 478 units.