A long-running Toyota Celica GT-Four reference collected gearbox differences, Super Strut details, conversion notes, and other technical knowledge enthusiasts kept needing.
FordScorpio.co.uk became a technical survival kit for the 1994-1998 Scorpio, preserving fault-finding advice, buyer guidance and Ford workshop information for a car too uncommon to get a Haynes manual.
Scirocco.org preserves decades of owner-to-owner Volkswagen repair talk, parts lore, and mailing-list culture from before forums and social media swallowed everything.