carburetor adjustment

Q: I was shopping around for a new carburetor recently, and I noticed some carburetors being described as calibrated and ready-to-run out of the box. Is there really such thing as a “ready-to-run” carburetor? Don’t most carburetors require some amount of tuning after installation? A: While most aftermarket carburetors are wet-flow tested and calibrated for ready-to-run operation at the