Ecotec Inlet manifold

[johnmic]

I was reading some previous threads on custom inlet manifolds, i came across a Buik v6 inlet manifold that has the throttle body in the cntre top like a carby would be fitted yet the manifold is still fuel injected, my question is would a buik manifold fit a ecotec

[FstStig]

Simple answer: NO

Why? Ecotec and Buick heads are different sizes.