Holley’s LS West Fest brings together all fans of GM’s venerable V8 engine family, with this year’s event taking place between April 22-24 at Las Vegas Motor Speedway in Nevada. The event celebrates the mighty General Motors LS Small Block V8 engine family (Gen III-IV), which took the aftermarket by storm, leading to the famed “LS-swap” method for custom vehicles the world over. The event also extends to GM’s more recent LT engine family (the Gen V Small Block), as they can be found under the hood of multiple GM performance vehicles, from the Chevrolet Camaro LT1 to the Cadillac CT5-V Blackwin…