Speedmaster Small block porting tips and results Part 1

I wish I would have taken this picture before I started grinding on it but I think you can see what is happening. I snapped a picture of the stock head but it’s still on my flowbench from flowing the exhaust 9465D0A5-8B20-4C6A-8DB7-823B95A3C204.jpeg262A661A-4C7E-42D8-97C8-57F33B39F828.jpeg