Everybody knows the 70-72 stuff, but the 1974 T/A 455 super duty was truly the last of the muscle cars until the Buick Grand National.
http://www.transamflorida.com/1974superduty.htm
The 1974 Laguna S3 was a good looking car and could be had with a manual and a 454. Unfortunately it was a 200hp 454.