In this video, watch the transformation of a stock Cadillac CT5-V Blackwing into a 1,000-horsepower monster with the Hennessey H1000 upgrade. Captured in a dynamic timelapse, the build process showcases every stage—from disassembly and precision engine work to supercharger installation, dyno tuning, and final quality control. It’s a rare behind-the-scenes look at the craftsmanship and engineering that goes into turning Cadillac’s top-tier sedan into a true American supercar.