When a stock Camaro ZL1 arrives at Hennessey Performance, there is no turning back. In order to deliver almost 1,000 horsepower at the crank, it takes a massive supercharger, ported heads and a Top Secret camshaft. The Camaro’s computer would have a hard time dealing with all the new information, so each Hennessey Performance build is strapped to their chassis dyno and wired up to an oxygen sensor in the tailpipe. A Hennessey Performance Camaro Exorcist Dyno Tune is done to break-in the new parts and prove that it makes the power.
After a few runs, they plot fuel and timing in 3D to ensure no lean or fat spots while cruising. When the owner does go wide open, a bit of power enrichment keeps the engine safe for years. This is all done on 93
How To Build A Hennessey Exorcist Camaro