I used to use a DOD Death Metal pedal with the distortion dialed back to get a really nice full fat tone with sustain for days on a 74 LP Gold Top. I'm not sure what happened to it, but it was my favorite for a long time, many years ago. I'm guessing it was probably one of Tom Crams projects, and this is some crazy news:
https://www.gearnews.com/tom-kramn-e...od-team-fired/