They're not completely different. While a lot changed, the 1.6 Ti-VCT provided the basis for the 1.6 ecoboost. Same bore x stroke. So while it wouldn't work in practice, theoretically a 1.6 ecoboost without the turbo and associated changes to support the turbo, is a 1.6 ti-vct (sigma) engine. 2.
Upog.
ford c max 2011 1.6 ecoboost