at least according to Car and Driver magazine back in the day. (We’re searching for the reference- it was NOT the April ’80 issue.) It wasn’t bad enough that the cars were sapped of all power due to hamhanded efforts* to meet EPA numbers.
*who doesn’t remember fondly the belt drive air pumps? How to decrease particulates per volume of air? Make less soot or better yet, add more air! PHYSICS!
The flipside of the equation is how to get the most go per pound and per dollar. Why use a THM400 – a bulletproof transmission if there ever was one – when a THM 200 will fit. Three speeds is three speeds, right? In the later second generation Camaros, the idea seemed to be “if the speed limit is 55 mph, why give it cooling for 120?”
Just add tape and some fake scoops! – Roger in marketing.