I bought this Edelbrock to replace my old Street Demon 4b Racer. Despite Edelbrock's reputation, I actually thought it would probably be some sort of downgrade in terms of power and performance. Man, was I glad I was wrong. This carb isn't as powerful, but the fact that it's more practical than the Street Demon makes it amazing. My Street Demon increased to 150 hp. no reset and aggressive dialed in to burn profusely. After installing Edelbrock I'm just glad I can burn 87 without worrying about breaking anything! This product was completely satisfactory and I would recommend it to anyone rebuilding small block Chevrolet 350 engines. The carburetor was installed on a 1979 Z28 Camaro that I have been restoring for over 7 years. After giving it up for fun and racing, I'm glad I chose this product to turn into a more practical car to drive without losing the power I put countless hours into to put in the car.