This is for late heads. I know I need to measure mine to get an exact number, but I'd like to know what they are advertised at? I'm trying to get a rough idea on what my compression will be.
I would probably call Matt or Russ Martin at Centerville Auto. They probably see more 364's than most other shops and may know off hand. Russ can be a little forward and abrasive at times but he knows his stuff. If you have Facebook, Matt Martin is on there regularly and answers peoples questions pretty quickly.
Actually me head casting #'s are the same for most 401-425's. I thought this would be pretty commonly posted somewhere here. This is not an early 364.
Lol! I dont know much on the 364s. Forgot the heads may be the same or similar. I think mine are 126 or 127cc. So yours sounds right. Especially if they had to shave a little to get them flat again.