505CI Twin-Turbo Pontiac Engine - Twin-Turbo Tail Twister
|
Behind the throttle body is the air-temp sensor and three vacuum/boost ports: one supplies both wastegates, one is for the 3-bar MAP sensor (attached below), and the third boost references the fuel pressure. One psi of fuel pressure must be added for each pound of boost so that injector consistency is maintained as pressure increases in the manifold-45 psi is standard. View Related Article
|
|