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The valve clearance spec is going to depend on the cam, so if you've still got the stock cam, those are the values to use. (Or does the neo come with its own cam?)
Are you sure the ticking is coming from the tappets? It could simply be the valves closing, or a more worrisome issue, the valves hitting the piston. Id check the timing to make sure its on the correct tooth, and if correct, pull the head off and check the piston too.

I remember someone saying the larger injectors also click louder too, so it could be that?
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