Speedmaster Small block porting tips and results Part 1

Just so I’m on the right page with this post...... you have pic of a chamber with some mods, and flow numbers saying no chamber mods......
So, those are numbers from a different hole that had no chamber work?


Yes sir no mods on the one marked no mods. I was kinda shocked by what I saw so I wanted to see if the chamber mods were responsible. Speedmaster has been doing some homework