The Windsor is a 90-degree small-block V8 engine

V8 engine

A V8 engine is a V engine with eight cylinders mounted on the crankcase in two banks of four cylinders, in most cases set at a right angle to each other but sometimes at a narrower angle, with all eight pistons driving a common crankshaft....

 from Ford Motor Company

Ford Motor Company

Ford Motor Company is an American multinational automaker based in Dearborn, Michigan, a suburb of Detroit. The automaker was founded by Henry Ford and incorporated on June 16, 1903. In addition to the Ford and Lincoln brands, Ford also owns a small stake in Mazda in Japan and Aston Martin in the UK...

. It was introduced in 1962, replacing the previous Ford Y-block engine

Ford Y-block engine

The Y-block engine is a family of overhead valve V8 automobile piston engines from Ford Motor Company. It was introduced in 1952 on Ford trucks and in 1954 on Ford cars to replace the side-valved Ford Flathead engine and was replaced by the Ford FE engine and the Ford Windsor engine in 1962, and...

. Though not all of the engines in this family were produced at the Windsor, Ontario

Windsor, Ontario

Windsor is the southernmost city in Canada and is located in Southwestern Ontario at the western end of the heavily populated Quebec City – Windsor Corridor. It is within Essex County, Ontario, although administratively separated from the county government. Separated by the Detroit River, Windsor...

 engine plant (all Ford small blocks were produced in Cleveland, Ohio from 1969), the name stuck. The mid-sized 335 "Cleveland" V8

Ford 335 engine

The Ford 335 engine family were a group of small-block V8 engines built by the Ford Motor Company between 1970 and 1985. The significance of the Numerals '335' designated to this series of Small block Ford V8 engines is relatively unknown...

, introduced in 1970, was to replace the larger Windsors, but this design ended up outliving its replacement.