I started mocking up my Ryan Falconer head for my 292. I don't know how much push rod angle is acceptable. This is my approximate angle.

Attached Images
head resize 1.jpg (350.91 KB, 6533 downloads)
head resize 2.jpg (318.85 KB, 1054 downloads)
head resize 3.jpg (397.54 KB, 1005 downloads)