In Argentina, a radical change occurred in the structures of large factories, such that Chrysler began to manufacture the "Valiant II" while Ford produced the "Falcon".

[3] General Motors's response was a car derived from the U.S. market, the Chevy II, traded as "Chevrolet 400" in Argentina.

The first version of the 400 included round headlights on its front grille and was equipped with Chevrolet's ubiquitous overhead-valve, six-cylinder engine of 194 cubic inches or 3179 cc.

The Super premiered the new inline "230" six-cylinder engine (3769 cc), 127 HP and a Holley R2751 carburetor, and equipped with 3-speed manual transmission as usual.

[1] In 1967 Chevrolet launched the 400 "Super Sport", the most aggressive version of the line that featured a more powerful engine and an innovative gearbox.

That same year, racer Carlos Alberto Pairetti was crowned champion of Turismo Carretera driving a prototype Chevrolet nicknamed "The Orange Thunder" ('El trueno naranja' in Spanish), the name adopted due to the color of the unit, equipped with a 250 engine with a transmission similar to the Chevrolet Corvette.

While the 400 was produced alongside the Chevy, the 400's North American counterpart ceased production after the 1967 model year.