The Ford Zephyr engine was a line of automotive OHV internal combustion engines that were designed for and unveiled with Ford of Britain's Zephyr/Zodiac and Consul models. The family included both straight-four and straight-six versions. Production began in 1951 and lasted until 1966, when it was replaced by Ford's Essex V4 and Essex V6 engines.
Consul/Zephyr 4
The four cylinder debuted in the Consul as a 1.5-litre engine. Bore and stroke are for a total displacement of . With its standard compression ratio of 6.8:1 it produces at 4400 rpm. It was enlarged in 1956 to for the Mark II Consul by increasing both the bore and stroke to , raising power to . This engine continued in the Mark III car, which dropped the Consul name and was now called the Zephyr 4.
Applications
- Allard Palm Beach
- Buckler DD2
- Ford Consul
- Ford Zephyr 4
- Paramount Ten
- Reliant Sabre
Zephyr 6
The six-cylinder Zephyr engine was used widely. Displacement was in early versions that had the same bore and stroke as the 1.5-litre 4-cylinder. It was produced with two available compression ratios: 6.8:1 in the Zephyr, with an output of , and 7.5:1 in the top-of-range Zodiac, with an output of . The six-cylinder grew to in the 1956 Mark II when its bore and stroke were increased to match the 1.7-litre inline four.
Applications
- AC Ace and Aceca
- AC Greyhound
- Allard Palm Beach
- Britannia GT
- Buckle Sports Coupe
- Fairthorpe Zeta
- Ford Zephyr and Zodiac
- Lea-Francis Lynx
- Reliant Sabre
- Reliant Scimitar
See also
- List of Ford engines
