Complex sentence: Pruett stayed with Truesports for the 1992 season, the chassis was completely upgraded and it was renamed as the Truesports 92C, and they choose the Chevy Indy A engine to replace the Judd VA V8 engine.
Split into simpler sentences: Pruett stayed with Truesports for the 1992 season, the chassis was completely upgraded and it was renamed as the Truesports 92C. The team chose the Chevrolet Indy A engine to replace the Judd VA V8 engine.