In 74, 360's came in J, K & L. I think the K was 2bbl, J was CA only 4bbl and L was regular 4bbl.
All the E-bodies had L's.
John, as much as I like to bash him, I use GayLen's white books for production numbers and code interpretation. The aforementioned "Red Book" has more stuff in one book, but it's not as accurate.
Sounds like a cool car.