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No actually I have the original, full version. The PTFE tube goes down a bit, but the heat break is fully metal. I also use the original small fan and blue shroud.

I bought the E3Dv6 just because I had a lot of clogs with my original hot end, and it has worked very well. But I notice that I often approach the limit of the heat dissipation for some reason, when I print at 0.1mm and normal feed rates it begins to studder sometimes. I´ve had clogs, and could remove them only by heating up the hotend and pulling upwards with a pair of pliers. Then I could see a thinckening of the filament just at the end. I assume that fatter, expanded part develops just above the metal heat break (ie in the PTFE tube)