Banks Power Chevy_GMC Trucks: Duramax LB7 (Diesel ’01 - 04 6.6L) Intake- Big Hoss Intake Manifold System '01-07 - Manual (Page 9)

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This manifold installation procedure
assumes that the cylinder heads are
assembled with all port and valve
work completed, and are installed and
torqued, ready for manifold installation.
Because of the custom nature of this
application, the installer should test fit
all components and related systems
prior to performing a final assembly of
the intake manifolding. If the original
coolant outlet/thermostat housing “Y”
casting is to be retained, modifications
to this casting and the thermostat
cover will need to be considered to
clear the manifold castings.
Once the manifold castings are bolted
in place, it becomes somewhat difficult
to access and make system connec-
tions under the plenums in the valley
area. Preplan your work and make as
many of your required system con-
nections in the valley before installing
the manifold halves. Pre-assemble and
install any fuel and oil hoses that tie
outside components to the valley area.
The fuel injection pump should be
installed along with inlet and return
adapter fittings in the pump ports.
Injectors should be installed in the
cylinder heads.
Install a turbocharger oil supply adapter
fitting (not supplied) in the boss in the
engine valley along with any related
plumbing (hose with divider “T” and
branch lines to provide oil to the
turbochargers) as this area becomes
inaccessible once the manifolds are
installed. Fitting or hose end used for
oil supply should be a 90° elbow style
to point forward to clear fuel return
cluster panel.
-END, SECTION 3-
Section 3
PRELIMINARY
Figure 2