Designed new internal components for two different models of legacy engine turbochargers. The goal was to substantially increase turbocharger mass flow, efficiency and pressure ratio, and then fit the newly designed components into the existing casings. Turbo Solutions reverse-engineered the existing machinery and then redesigned new impellers, diffusers, and nozzles. The scope of work included all aerodynamic and structural design and analysis, rotordynamic analyses, solid modeling and manufacturing drawings, and test data reduction and analysis. For both projects, the rerated turbochargers were installed on the engines and met the flow, pressure ratio, and efficiency goals.