1. Online: There are many websites and forums dedicated to classic cars and their restoration, such as:
* Classic Car Restoration Club (CCRC): This website has a large library of resources, including manuals and diagrams for various classic cars.
* Old Car Manual Project: This website hosts a collection of scanned manuals and diagrams for classic cars.
* Ford Muscle Cars: This website has a section dedicated to 1965 Ford Mustangs and might have the carburetor diagram you need.
2. Local Libraries: Many public libraries have sections dedicated to automotive repair and maintenance, and they might carry repair manuals for older vehicles.
3. Car Club Membership: If you're a member of a car club or enthusiast group, you could reach out to other members and see if anyone has a copy of the carburetor diagram you need.
4. Contact Ford: You might be able to contact Ford directly and inquire if they have any available resources or diagrams for your vehicle.
5. Auto Parts Stores: Some auto parts stores might have manuals or diagrams available for older vehicles.
6. Reprint Manuals: There are companies that specialize in reproducing and selling classic car manuals and diagrams. You might be able to find a 1965 Ford carburetor diagram through one of these companies.