F 350 4WD Super Duty V8-6.4L DSL Turbo (2008)
End of Main Injection Step 1
^ The high pressure fuel that is allowed to escape past the valve mushroom (4) into the fuel return line (6) is routed down a drilled passage to the drain
holes in the sides of the injector just below the 0-ring seal towards the base of the injector.
^ The fuel is then routed through the cylinder head and exits through a banjo fitting on the front side of the cylinder head before being returned to the
fuel supply system.
