Originally Posted by
Digitalwoodshop
I have snapped 3 of the square drive bits used to remove the old QC on one truck. They were from Ron who made the rock chucks. I finally gave up on that truck. I even shoved a soldering iron up inside the QC to soften the red forever locktite. I would remove the QC before you buy the Muscle Chuck. You may destroy the truck and be stuck with a MC and need to buy the Carvetite. Remember the soldering iron trick... Too much flame heat can damage the spindle bearings. Good Luck.