Quote Originally Posted by Sabrewings View Post
I'd start with a fuel pressure test, and possibly change the fuel pressure regulator. How do you know it goes lean, or is that a guess? Could be ignition related (wires, plugs, or even coils).
fuel pressure - I want to say it was 48 psi with idle and up to 54 psi as I was accelerating, could not get a reading in boost. this was taken before replacing the engine

has a strong ignition ,new coils, wires, plugs and ignition module