How much horsepower does a stock 1976 small block Chevy 400 come with?

The horsepower rating for a stock 1976 Chevy 400 small block varied depending on the application (vehicle it was installed in) and the specific carburetor and other options. However, it generally ranged from 175 to 230 horsepower. You won't find a single definitive number without knowing the exact vehicle model and options.