GM LS-Series Engines

Joseph Potak is a professional LS-series engine specialist and technician. He works for Texas Speed and Performance, catering to the performance needs of owners of LSX-equipped vehicles. Joseph is an Automotive Service Excellence (ASE) certified Master Technician and has also completed GM Factory Training pertaining to the LSX-Gen III engine family. His work has appeared in numerous magazines and can also be spotted at the dragstrip, powering various LSX setups he has helped build throughout the years. In his free time, Joseph volunteers as a Forum Director within the LS1Tech.com Community. Ironically, and despite his "LSX-Only" mindset, he recently built and races a street-legal, 9-second turbo Mustang.