Cool Ernie. Your post makes sense. I have just exchanged a few emails and they have clarified for me too.
Basically the full 2T housing (Quick Turn System) adds response by reducing totally pull by either 20% or 10%. Due to the larger cam profiles the housing needs to be machined.
They offer a Quick Pull tube and cam for the 4T only.
They also offer control cams, which is what the rest of the discussion is about here. They don't reduce the pull at all, but do add control (less response) to the smaller openings.
I'm not sure if I want to take anything away from control. It can be a bit to hold on to when tired already. But would like to reduce total pull.
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