arty Posted January 12, 2017 Share Posted January 12, 2017 Hi all, before buying a car I am trying to understand which engine it is to have. When I read the information on Sigma it sounds like it is really one of the above in the title. Wikiwatsit lists the history but I don't know which Zetec the sigmas are, can anyone help please? thanks Richard Link to comment Share on other sites More sharing options...
Dr Slotter Posted January 12, 2017 Share Posted January 12, 2017 If it's a new (or recent-ish used) it's what Ford currently brand as 'Duratec Ti-VCT', which is the latest generation of 1.6l engine from the Sigma family. The earlier versions of that engine were known as Zetec-SE and are what Caterham used in the smaller engined cars once the K-series finished.Zetec/Zetec-E/Zetec-R are what Ford variously called the Zeta family of engines, some of which do appear in Caterhams when swapped in by owners, usually as an upgrade from a Crossflow. The Sigma family are the 'other way round' so you have to swap over exhaust/inlet sides on a Seven that has had a Crossflow in (or indeed a K-series) to upgrade to a Sigma. Link to comment Share on other sites More sharing options...
arty Posted January 13, 2017 Author Share Posted January 13, 2017 Fantastically simple and clear explanation, many thanks. Link to comment Share on other sites More sharing options...
philwaters Posted January 14, 2017 Share Posted January 14, 2017 Useful info:http://www.burtonpower.com/parts-by-fitment-type/parts-by-engine-ford.html Link to comment Share on other sites More sharing options...
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