So, last week i installed 2 3/4" magnets to block the air holes under the burn plate of mt PDV. Worked geeat for a few days but my clinkers came back. I noticed the flame started to go lopsoded pulling to the right and leaving a golfball sized black spot on the glass. Shut it down today to replace the magnets with 1x2" rectangle ones dad gave me. Low and behold, my left magner had moved off the hole! If you try this mod, make sure you get ones bigger than 3/4" rectangle seemed to work way better. Just though i would share