Air Fuel mangment question

hey guys i bought a SAFC 2 for my 3sgte project thats going in my N/A. MY buddy that im buying the engine from telling me im better of without it. So i was woundering what would be the best for air fuel managment, for reason being i want to boost higher n i dont want to be running lean n blow my motor. thnx for ne feed back

If you are using the factroy turb, the CT26, you will never go lean (unless your fuel system breaks/fails).