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Thanks binliner, did you plug the hole in the head with something or just leave it open?

Hi, can anybody tell me what this part is? It's connected to a little hole underneath the inlet manifold on a AAA engine from a Sharan vr6. Here's the position of the hole... Cheers Tom

Hi all, Does anybody know what sort of power to expect if the inlet manifold, throttle body etc.. from a 2.9 VR6 were to be used on a 2.8 block and head? I've heard that most of the extra 20bhp or so from the 2.9 engine is due to better breathing from the throttle & manifolds, rather than the extra 0.1 litre... Cheers Tom