The heart of the Lotus-developed Cortina was an over-bored, 1,558cc version of Ford’s 1,498cc four with two Weber carburetors and a DOHC aluminum head—exotic stuff for the time.

1963-1966 Ford Lotus Cortina - Collectible Classic. Daniel Byrne Photographer Jamie Kitman Writer Sep 02, 2008. See All 5 Photos.

The Lotus Twin-Cam was a slightly enlarged (1557cc, badged as a 1.6-liter) version of the venerable Ford Kent four-cylinder, with a Lotus designed twin-cam head. Ford UK's PR man, Walter Hayes ...

The MkI Lotus Cortina arrived on the scene in 1961, with Ford and Colin Chapman's original plan being to fit Lotus engines (or Lotus-modified Ford Kent engines, if you prefer--ED.) ...

1963 Ford and Lotus team up to create a hot version of Ford’s boxy Cortina sedan by dropping in the DOHC 1.6-liter Lotus-Ford engine from the Elan. Lotus tweaks the Cortina’s suspension, and ...

Ford's Legendary Cosworth DFV F1 Engine: From Drawing Board to Victory Circle. The deft touch of Keith Duckworth wafts Lotus out of doldrums and forges final link in Ford’s total performance armor.

Ford's first foray into F1 began in 1967 when Colin Chapman, the head of Lotus, persuaded Ford to pay for the development of a new racing engine that would be a stressed part of the F1 chassis.