The "L" is for "L"ate to separate them from the poly engines.
I could care less what you think. The FACT is that it is "L"ate.
As for what some Chrysler engineer said room some unknown source...go get the latest issue of MoPar Action. It's full of quotes from engineers who don't know crap.
Do the work and shut your mouth.
Now go get a dual plane intake and some 2" exhaust like all your kind did in 1977 (and still thinks is right today).
guys like you are why hot rodding is a screwed up as it is. Like a dog returning to his own vomit, you and your type repeat the same crap over and over.