Q

Abbreviation for "Quick Die Change". The "quick die change" is as a continuous effort to simultaneously increase the utilization and flexibility of capital equipment, at the least practical cost, while providing a safe and orderly environment. In the automotive industry this new concept is used, generally, for body in white manufacturing process.

Quality System Requirements for Automotive Industry. QS-9000 merges the quality programs of Chrysler, Ford, General Motors and various truck manufacturers into one document. This merging process is called "harmonization" and it lets suppliers meet the requirements of one standard instead of separate requirements for each of these companies.

In the car jargon, an engine with four camshafts. In actual fact, the "quad-cam" and "twin-cam" engines are identical. A so-called "quad-cam engine" is, obligatory, one in a 'V' configuration that has twin camshafts above each cylinder bank, so it's a twin-cam unit.

The best-selling Italian magazine about cars, edited by Editoriale Domus S.p.A.