Quote Originally Posted by Waterlogged View Post
Maybe I'm wrong but, wouldn't nozzles kind of bypass the gap making it a non-issue?
I'm not sure what the D-tek nozzles are like, but my own custom one just sit down inside the middle block leaving the gap right there still in the way. But I suppose if a nozzle was long enough...it could help with the leak.

I do wonder if this changes pressure drop of the block. It should increase it some for the good of better temps, but I'm not sure how much.