Ford UK's Zephyr/Consul cars used a new family of engines. The Zephyr engine included both

straight-4 A straight-four engine (also called an inline-four) is a four-cylinder piston engine where cylinders are arranged in a line along a common crankshaft. The vast majority of automotive four-cylinder engines use a straight-four layout (with the ...

and

straight-6 The straight-six engine (also referred to as an inline-six engine; abbreviated I6 or L6) is a piston engine with six cylinders arranged in a straight line along the crankshaft. A straight-six engine has perfect primary and secondary engine bal ...

OHV An overhead valve (OHV) engine, sometimes called a ''pushrod engine'', is a piston engine whose valves are located in the cylinder head above the combustion chamber. This contrasts with earlier flathead engines, where the valves were located bel ...

engines. Production began in 1951 and lasted through to 1966, when it was replaced by Ford's Essex V4 and Essex V6 engines.

Consul/Zephyr 4

The

engine started in 1951 at . In this form it had a bore and stroke of . With its standard

compression ratio The compression ratio is the ratio between the volume of the cylinder and combustion chamber in an internal combustion engine at their maximum and minimum values. A fundamental specification for such engines, it is measured two ways: the stat ...

of 6.8:1 it produced an output of at 4400 rpm. It was enlarged in 1956 to engine for the Mark II Consul by increasing both the bore and stroke to , putting the power up to . This engine continued in the Mark III car, now called Zephyr. Automobiles using the Consul engine: *

Allard Palm Beach The Allard Palm Beach is a small British roadster built by Allard Motor Company between 1952 and 1958, with a Mark II introduced in 1956. Based on the chassis of the K3, but with only four- or six- cylinder engine options. Production only reach ...

* Buckler DD2 *

Ford Consul The Ford Consul is a car that was manufactured by Ford of Britain from 1951 until 1962. The name was later revived for a model produced by Ford in both the UK and in Germany from 1972 until 1975. Between 1951 and 1962, the Consul was the four-cyl ...

Ford Zephyr The Ford Zephyr is an executive car manufactured by Ford of Britain from 1950 until 1972. The Zephyr and its luxury variants, the Ford Zodiac and Ford Executive, were the largest passenger cars in the British Ford range from 1950 until their re ...

''4'' * Paramount Ten * Reliant Sabre

Zephyr 6

The

Zephyr engine was used widely. Displacement began at when it shared the same bore and stroke as the 4-cylinder engine. It was produced with two standard compression ratios of 6.8:1 and 7.5:1 with outputs of . It grew to in the 1956 Mark II. *

AC Ace AC Ace is a car which was produced by AC Cars of Thames Ditton, England, from 1953 until 1963. History AC came back to the market after the Second World War with the 2-Litre range of cars in 1947, but it was with the Ace sports car of 1953 th ...

* AC Greyhound *

* Britannia GT * Fairthorpe Zeta *

Ford Zodiac The zodiac is a belt-shaped region of the sky that extends approximately 8° north or south (as measured in celestial latitude) of the ecliptic, the apparent path of the Sun across the celestial sphere over the course of the year. The pat ...

* Lea-Francis Lynx * Reliant Sabre * Reliant Scimitar

Consul/Zephyr 4

Zephyr 6

See also