My 71 413-1 has a pn 3671-475 (RV/truck) cam, and I can't find any info on it, anywhere, at all.
Does anyone have open-close specs for it?

Someone posted these
https://www.bigblockmopar.nl/tech/chrysler-corporation-valve-action-timing
http://victorylibrary.com/mopar/mpcam-tech-c.htm

but sadly no 413s at all.