Thanks guys. Y'all were correct in the assumption that the cam was not installed correctly. Not sure how this happened, but i'm in the middle of remedying the situation. Here's what I saw when i pulled the front cover...
Name:  IMG_8806.jpg
Views: 276
Size:  386.8 KB
Pretty embarrassing and surprising that it actually ran at all advanced that far. I put it in over 10 years ago, and thought I knew what I was doing... ugh.
Went ahead and pulled the cam to verify what's in there... here's the markings on the backside...
Name:  IMG_8816.jpg
Views: 258
Size:  146.4 KB

Here's the rockers I'm planning on getting: https://www.summitracing.com/parts/c...7-16/overview/

Going to order up some new rockers and pushrods this evening (cyber monday deals) and put it back together correctly this time!