I'm doing a 8 carburetor mark viii / 4r70w into a 2010 v6/ auto conversion, the question is a mechanical throttle pedel install, tieing into the BCM, also transmission output from bolt on yoke to slide yoke. I use MSD engine, transmission controllers and duel AFR meter. (13.2 afr) runs great and shifts great on the test stand . Guessing jetting until testing incar underload .