Extremely Scarce Slant-6 Tech Report From 1961, № 1

That’s awesome!
This is always done on competitors engines and even full vehicles are torn down for detailed evaluation.

I’d love to get something like this on my ‘92 Magnum engines. I know they did it because I got calls from guys I knew at GM and Ford because they were getting ten to fifteen horsepower MORE than the ratings. They were shocked to find out I under-rated the engine output.