Performing an LQ4 engine swap is one of the most popular upgrades for classic muscle cars and off-road builds. The engine’s affordability and availability make it a top choice among LS enthusiasts. Swapping an LQ4 engine provides a massive power boost while retaining the reliability of OEM engineering. Its compatibility with many GM transmissions and wiring harnesses simplifies installation. Builders love how easy it is to source performance parts—everything from cam kits to turbo systems is readily available. Once installed, the LQ4 engine delivers smooth power delivery and excellent torque for any application. Whether it’s a vintage Camaro or a lifted Silverado, the LQ4 engine swap transforms an ordinary vehicle into a high-performance machine.