Naylor2006 Posted May 15, 2012 Share Posted May 15, 2012 Whilst helping my mate through his 2.0 mondeo conversion we have come across a rather baffling problem, or mistake or its us being idiots, most likely the latter. We have a 1.8 inlet manifold, says so on the stamp on it so thats def a 1.8 inlet manifold, I bought it off here and it was sold as having a 2.0 throttle body on it, upon attempting to fit the 1.8 induction pipe we find that the TB end pipe hole is too big, of the pipe that is not the TB diameter, also the TB is the same size as the 1.6 one attached to the 1.6 inlet manifold we removed. Two possibilities, the 1.8 induction pipe is the wrong one or the TB is the wrong one and is in fact a 1.6, can you fit a 1.6 TB to a 1.8 inlet mani? Long story short and heres the stupid question, is the 1.8 zetec TB the same size as the 1.6 TB? I know your screaming just go and measure yours but im working nights at the moment and I want the facts from the good folk on here. If they are the same size then where the fk did this large induction pipe come from? Im pretty sure we have the wrong TB but just wanna make sure before changing bits and bobs. Thanks all, I appreciate this could be one of those things where you get some confused you just end up not seeing whats right in front of you so sorry for the stupid question. Link to comment Share on other sites More sharing options...
JC Posted May 16, 2012 Share Posted May 16, 2012 No, i.6 is smaller. with the 1.6 induction pipe being smaller diameter. The 1.8 and and 2.0 tb have the same external diameter, hence 2.8 will fit a 1.8 induction pipe 1.8 and 2.0 internal diameters at the butterfly are different - 2.0 bigger I have a 2.0 throttle body for sale Link to comment Share on other sites More sharing options...
Naylor2006 Posted May 16, 2012 Author Share Posted May 16, 2012 No, i.6 is smaller. with the 1.6 induction pipe being smaller diameter. The 1.8 and and 2.0 tb have the same external diameter, hence 2.8 will fit a 1.8 induction pipe 1.8 and 2.0 internal diameters at the butterfly are different - 2.0 bigger I have a 2.0 throttle body for sale Thanks for the advice, my heads now back in order, out of interest does the 1.6 TB fit the 1.8 manifold? Because thats what he's claiming. Link to comment Share on other sites More sharing options...
JC Posted May 17, 2012 Share Posted May 17, 2012 the 1.6 will fit and line up IIRC on the manifold Link to comment Share on other sites More sharing options...
Naylor2006 Posted May 18, 2012 Author Share Posted May 18, 2012 the 1.6 will fit and line up IIRC on the manifold Ok thanks mate, thats answered everything. Thanks again. Link to comment Share on other sites More sharing options...
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