Overall overlap, or lobe center understanding?? ¿.

The 327/350 HP cam was .447 lift 222 duration @ .050 with 306 advertised ground on a 114. The same cam was also used in the 350/350 HP engine.

Overlap is actually a very good tool to used when choosing a camshaft, especially one for a pump gas street motor. While generally nowadays other figures are looked at more, any old schooler will tell you overlap was once pretty dominant for cam choice. There are many ways to pick a camshaft. I try to look at everything.