In my old mid 90's Lp studio, the 498T started squealing on me. So I ended up trying a bunch of pickups in the bridge. I eventually repotted the 498T and put that back in before I sold it. It sounded great, better than most of the other pickups I had tried. It may be the "sounds great before you sell it" thing, but I would be willing to give one another try. the 490R in that guitar always sounded great, very warm and buttery, only the '57 classics have been able to match that, of the pickups I have tried.