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Originally Posted by Uni
Ahhh ok, sorry for the confusion.. Honestly, who names their engine and their car the same thing?!
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Not as bad as what they did with the Fiesta, named a model "Zetec" when it has the Duratec engine in it. Anyhow...
The 1.8L Zetec engine is the exact same engine as the 2L Zetec engine mechanically except for a smaller bore (80.6mm vs 84.8mm). None of the Zetec range out of the Focus have variable valve timing, whether it is 1.8L or 2L. The 1.8L and the 2L in the CL and LX models even have the exact same horsepower, the 2L engine has slightly more torque though due to its larger bore to compensate for being strapped to an automatic, as all 1.8Ls were manuals.
Stephen, I have just moved house but when I unearth a certain book I have, I'll post the details. It is all about modifying the Zetec engine, they have dyno charts for every mod they do and show the best combinations. They don't do old school style manifolds like Webers or D'ellortos though.
Timmeh