The EPA simply rigged the game in the 70's against the domestic automakers and then in the 80's against domestic manufacturing. The outcome was regulated globalization sending millions of US jobs to other countries.
The 2V and 4V Carb was finished as a design by the late 80's with the advent of Throttle body Injection as phased in during the early 1980's with Crossfire injection.
The existence of the EPA does have a critical upside since we had to adapt to regulation 30 years ago to survive-and using computers finally perfect the fuel and emission standards to keep our V-8's alive and fast.
An alternate future for others without an aggressive EPA:
http://blog.hemmings.com/index.php/2015/...ting-next-year/
The Race car thing is a simple trial balloon.
Beware.