Depends on what engine it has
Yes, many of them. These were very commonly sold as new in Florida.
jdask
Gladiator-At-Law has 171 pages.
I don't think you will find information for the 1970 edition, but total of 603,303 CJ-5s were produced between 1954 and 1983.
The Gladiator - Simon Scarrow - has 320 pages.
about two
The Pickup has 288 pages.
40
10 years
Physical size it will. However the length of the Toyota transmission will stop you. You might consider adapting it to an SM420. There are many adapters out there for this. Do a search on Toyota FJ conversions. I am in the process of putting a 22RE into a jeep TJ, but with the entire drivetrain including axles.
15 minutes.
Yes, there are many Jeep clubs in the US.