Quote Originally Posted by Steve K View Post
Imo, HC put too much grease in the mechanisms, the grease thickens in the cold, and slows the way they operate.
Agreed. That grease really holds them back, but it's easy enough to get most of it off, even with the AT version.

I've tuned mine, which involved a de-grease and they have no power fluctuation - just a steady 11.25ftlb all-year-round, from freezing mid-winter through to scorching summer.