Ok, looking at this objectively. I don't see how you using the AFC hack with bigger injectors, is any less reliable than FMU with AFC.
I just don't think your guy is making any damn sense there....
In CA, I like these guys: RaVer Motorsports 559-733-4711
I wanna say they are in pomona, but I am probably wrong, give em a call, they have some sharp people there.
-PHiZ