cheaper version of the Zetec-SE engine, to compete with the classic Volkswagen EA827 engine series known locally as (from Alta Performance, "High Performance" in English) engine in Brazil. It is 8v SOHC instead of 16v DOHC and its block is made of cast iron instead of aluminum. Also, its camshaft is driven by a chain instead of a belt. As a result this engine exhibits rougher behaviour, producing more vibration and noise. On the other hand, it has a superb torque output thanks to the addition of the RoCam (Rollifinger Camshaft) feature. It's also a much smaller engine than the SE version, which allowed it to be installed on the Ford Ka, replacing the Endura-E engine which by that time was considered underpowered and outdated. The engine also featured a new patented process for the aluminum head production, which resulted in a better alloy than those produced in Spain and UK, and at a lower production cost. In 2002 a supercharged 1.0–litre version was released for the Ford Fiesta, to compete with the 1.0 Turbo 16v version of the Volkswagen Gol. In 2001 the Zetec RoCam engine was introduced in Europe, but labeled as Duratec 8v, for the Ka and Fiesta. Later a 1.6–litre version was also released for the SportKa and StreetKa. The European versions of the engine are produced in the South Africa plant. In October/2004 a newer bi-fuel version was introduced labeled "1.6L Flex", capable of running on both petrol and ethanol, even mixed at any proportion. This version also featured a high compression ratio of 11.8:1 and "Compound High Turbulence" chambers, as used on the CHT engine. Currently, this engine powers nearly all Brazilian Ford models – except those with 2.0 litre engines – in many different variants: 101/106 hp 1.6L Flex (Ford Ka) 65/68 hp 1.0L Flex (Ford Fiesta) 105/111 hp 1.6L Flex (Ford Fiesta/ Fiesta Sedan), (Ford Focus), Ford EcoSport) Applications applications: 2003—2008 Ford SportKa 1.6, and 2003—2006 Ford StreetKa 1.6, and Duratec After an upgrade to the Sigma, Ford renamed it the Duratec. Duratec Ti-VCT The Ti-VCT (Twin independent Variable Camshaft Timing) version includes variable valve timing, and generates more power and torque than non-VVT counterparts. Latest versions comply with the Euro5 emission level. Crate engine versions Crate engine versions of Zetec-SE engines are sold by Ford Power Products under the name ZSG Range. Applications Current use The Ford Sigma engine is produced