* Haynes Repair Manual: Haynes publishes repair manuals for many vehicles, including some Cadillacs from that era. Their manuals often contain diagrams, but the detail level may vary. Check their website or an automotive parts store to see if they have one for your specific year and model.
* Chilton Repair Manual: Similar to Haynes, Chilton offers repair manuals. They might have a more comprehensive diagram selection than Haynes, or vice-versa; it depends on the specific manual.
* Factory Service Manual: These are the most detailed manuals, originally provided to Cadillac dealerships. They are often the best source for diagrams but can be expensive and difficult to find, sometimes appearing on online marketplaces like eBay.
* Online Forums and Communities: Websites and forums dedicated to classic Cadillacs or GM vehicles (like the Cadillac Owners forum) might have members who have created or shared diagrams or can point you towards good resources.
* Exploded View Diagrams: Some parts suppliers (like RockAuto, AutoZone, or Napa Auto Parts) might have exploded view diagrams of the engine components online. These aren't full rebuild diagrams, but they can show how parts fit together within specific subsystems.
Important Note: Rebuilding an engine is a complex task requiring significant mechanical knowledge and skills. If you're not experienced with engine rebuilding, it's strongly recommended you seek assistance from a professional mechanic. Improperly rebuilding an engine can lead to serious damage and potentially dangerous situations.