Do the work. Hunt the vinyl. Support the reissue labels. Or, at the very least, join a dedicated P2P music community rather than a random torrent site.
Thus, the "torrent" query emerges. It is the cry of the completionist. The archivist. The person who wants the entire 7-year run (1962-1969) in one folder, with proper bitrates. I have seen several iterations of this torrent hash floating around private trackers. Most are poorly labeled. But a perfect discography torrent of Los Mustang would look like this: Discografia-de-los-mustang-torrent
The answer is simple:
The Gallop of a Generation: Exploring the Discography of Los Mustang (And the Elusive Torrent Search) Do the work