Ford Zephyr engine


's revolutionary United Kingdom Zephyr/Consul cars used a new family of engines. The so-called 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. In this form it had a bore and stroke of. With its standard compression ratio 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:
The straight-6 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.