Hey guys... working on a new to me '69 Maro and came across your post. I was looking at the 427 from blueprint also. I've been looking around for awhile and came across this video
https://www.youtube.com/watch?v=7epehLbatCo
Which later lead me to this:
http://www.streetlegaltv.com/project...thread-update/
I found a couple of other posts from guys with their LS. Yellow Bullet maybe?? If I find them I will post.
I'm still about 6 months out but need to start saving now for it!