the cats out of the bag...
When you find out what works, you usually find out you didn't re-invent the wheel. Somebody has almost always been there before and they are just tight lipped about it. Case in point, I learned more in one night from a SBC super stock guru than all the who-ha going around here and there about "how" to port massage a set of factory iron heads. Notice I said, iron factory heads, you only get one shot at the chamber, exhaust bowls and exhaust ports. If you go too far, their gone. The strange part is with multiple cylinders none of the ports with reverse valve arrangement look the same to one another, strange indeed. The center is a different bowl and port shape compared to the ends. You seem to be working out the same principals with different saw sizes and cylinder configurations.
Nice work, good tec stuff! :msp_thumbsup: