Twisty 389 Highway 389 north of Baie-Comeau is actually reasonably twisty, pretty much all the way to the Manic 5 dam. Although the pavement could be a bit better, overall it is decently fun!
This image is from the presentation "Overland to the Rock - A Road Trip to Newfoundland via the recently completed Trans Labrador Highway - Main Narrative Part I".