Those 2? My guess is dingleberry hone on a dirty shop floor with a cordless 18volt drill. Washed up with a pressure washer, dried in sun and blow dried with air.
Assembled with new bearings, rings, and gaskets from a kit in a box from PAW that was sitting around with a half inch of dirt and dust.
Brand new top quaity cam, lifters, roller rockers and custom push rods.
We will mention your company name 30 times on TV for free sh!t Wilson ported intake and high dollar carb. Left over from other test.
Yes it's a crazy guess but close to how they do builds.
Screw the short block, damm the torpedoes, full speed ahead......