AMC 390 1970 Cylinder Head Flow Test No Porting

Flow test of an AMC 3196291C casting cylinder head.
These came on 1970 AMC 360 and 390 and maybe early 71 401.
Intake Valve: 2.025"
Exhaust Valve: 1.68"
Stock Ports: No Port Work at All
The seats look like a standard valve job, not a competition valve job.
Tested at 28" Water
Intake had a clay radius inlet.
Exhaust had a 1 5/8" stub.