Hello,
I have a '66, and would agree that having both manuals is useful. The car is pretty straightforward to work on. I would suggest that you just take your time and be methodical - you'll have a lot more fun, be more successful in your efforts, and develop a 'personal' relationship with your car. For example, if you decide to start out by checking out the brake pads, read the entire section on the brakes and figure out generally how the whole brake system works and what the various components do. If you then run into something odd, you'll probably spot it or understand why it is happening. If you proceed in this fashion, you'll soon have a pretty good idea how the whole car is put together, and what the various part do and how they work together.
Relax and enjoy the experience. The car is really lovely to drive, and this is a great resource and highly receptive to all questions (no matter how basic the question may seem).
Regards -- Roger