Ford Zephyr engine

Ford UK's Zephyr/Consul cars used a new family of engines. The Zephyr engine included both straight-4 and straight-6 OHV 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 straight-4 engine started in 1951 at 1505 cc. In this form it had a bore and stroke of 79.3x76.2 mm. With its standard compression ratio of 6.8:1 it produced an output of 47 bhp at 4400 rpm. It was enlarged in 1956 to 1.7 L engine for the Mark II Consul by increasing both the bore and stroke to 82.5x79.5 mm, putting the power up to 59 bhp. This engine continued in the Mark III car, now called Zephyr.

Automobiles using the Consul engine:
 * Allard Palm Beach
 * Buckler DD2
 * Ford Consul
 * Ford Zephyr 4
 * Paramount Ten
 * Reliant Sabre

Zephyr 6
The straight-6 Zephyr engine was used widely. Displacement began at 2258 cc when it shared the same bore and stroke as the 1505 cc 4-cylinder engine. It was produced with two standard compression ratios of 6.8:1 and 7.5:1 with outputs of 68 and 71 bhp. It grew to 2553 cc in the 1956 Mark II.


 * AC Ace
 * AC Greyhound
 * Allard Palm Beach
 * Britannia GT
 * Fairthorpe Zeta
 * Ford Zephyr
 * Ford Zodiac
 * Lea-Francis Lynx
 * Reliant Sabre
 * Reliant Scimitar