I found it easiest to get rid of the engine that needed the smaller pulley and dropped in a whole Neo. The new PS pump comes with the engine. Deleting the HICAS lines is easier with the engine out too! :p
Great read about manifold design, twin scroll with the division all the way to the wastegate seat/fire ring
https://www.facebook.com/story.php?story_fbid=1088497013319763&id=100064784224104
This is why I bought a Sinco manifold for my shit box and not a 6Boost due to wastegate design.
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