Billy Hauser has been working on Toyota engines since Hauser Machine was T-Hoff up in Raleigh years ago (Billy bought the shop when the owner retired, then moved to a better location in Garner). T-Hoff was widely known as the place to go for Toyota engine work and you'll be hard pressed to find someone more knowledgeable in this area on our old Toyota engines than Billy. He did my 2F for me a couple years ago, with great results and I have sent several people his way since.
Sidebar, if you have your 2F head machined for SBC valves, springs and seals, make sure you use a standard SBC valve spring (220 lb. seat pressure), NOT the Z28 springs that are typically used for "normal" Chevy builds. The Z28 springs are 280 lb. seat pressure, which is too high for the relatively soft cams on our 2F's and will wipe the lobes in short order. I went through 2 Delta Cams regrinds before figuring out what the issue was. (grumble, grumble, grumble......)