Number matching questions

The date codes for the engine will be on the pad just below the distributor.
For example, mine is C383 for 1967 383, and below that its 523 for May 23rd.

Since you have a 67 you can get a copy of the IBM buildcard from Chrysler, along with a letter stating what your car came with, the dealership it was sold from, etc.

See here: http://wpchryslermuseum.org/newsroom.do?id=390&mid=135

If that doesn't do it, nothing will. I think it was stated best early on in this thread, and probably time for a new insurance company.

Here is an example of the letter and card: