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, 6950 downloads)
head resize 2.jpg (318.85 KB, 1133 downloads)
head resize 3.jpg (397.54 KB, 1090 downloads)