I've been looking into the factory Chrysler cams. Specifically, at the Melling reproductions. The factory 318 is ground on a 109 degree LSA. I think the 360 2bbl cam is on 109.5 degrees.
Here's the PDF I've been pulling the numbers from:
https://www.melling.com/wp-content/uploads/2017/03/engine-parts-camshaft-specifications-1.pdf