The inline engine was given the Slant Six name because of its unique, 30-degree tilt toward the passenger side of the vehicle. ... The center of gravity is much lower than in upright engines. Increased clearance for use with the Plymouth Valiant's low-profile hood. Engine accessories are more accessible.

Why was the Slant 6 discontinued?

Chrysler's move to front-drive vehicles doomed the Slant 6. Being too long to fit transversely under the hood of the automaker's K-Cars and K-Car-derived vehicles, the tilted mill was excised from the car lineup after 1983. Dodge trucks ran with the trusty powerplant a bit longer, saying goodbye after 1987.

When did they stop making the Slant 6?

One of the longer-running engine families of the era, the Slant 6 remained in production until 1983 in passenger cars and until 1987 in trucks, and not until 1991 was the engine finally discontinued in industrial applications. Thus closed the book on one of Detroit's most beloved engines.