I'd say gunnerman is very conservative in his river ratings. I'd put the run at II+/III- boogie water for the most part, with Toothache rapid being a solid III/III+ depending on level. The run is one step up from the Cemetery section of the Roaring Fork (black bridge to the Colorado), but a step down from Shoshone.
"A witty saying proves nothing."
- Voltaire (1694-1778)