No, this engine dates back over 50 years, like the 4.3 it has roots based on a V8. Both are far superior to the 60° engines.
The 4.3 is in the same family as the 229 CI which was also known as a 3.8 along with the Buick 231.
The 4.3 is in the same family as the 229 CI which was also known as a 3.8 along with the Buick 231.