Banks Power GM Motorhomes: (Gas ’82 - 95 7.4L) PowerPack system (Carbureted, single air pump) - Manual (Page 3)

dear customer:
your new banks PowerPack is a unique combination of air
intake, exhaust, and transmission components designed to
make the most of your engine’s power potential. By removing
intake and exhaust restrictions, providing cooler intake air,
and tuning the exhaust to create a scavenging effect, your
engine can produce more power at a higher level of efficiency.
to take advantage of your new found power, this PowerPack
includes a transmission governor recalibration kit to raise
the shift points of your automatic transmission, as you now
have a higher usable engine rPM range. if your driving habits
remain the same, your fuel mileage should go up, and you can
run on the same octane fuel you are accustomed to using.
if you have any questions concerning the installation of the
banks PowerPack kit, please call Gale banks engineering at
(626) 969-9600 between 8:00–5:00 Pt, and ask for the service
department.
thank you.
3 P.n. 96340
General inStallation PracticeS
for ease of installation of your banks PowerPack ®
system, please read this entire 12-page owner’s
manual before starting any work. (if any pages are miss-
ing from this package, please call Gale banks engineering
immediately for a replacement.) become thoroughly famil-
iar with all components & phases of the installation before
starting any work.
inspect all components supplied for any foreign
material that may have entered during shipping
and handling.
Most motorhomes will need to be raised 5–6” in
front to allow the bankS exhaust manifolds to be
slid into place from under the vehicle. this can be accom-
plished by driving the vehicle upon several sections of 2
x 12 lumber nailed together to form a wedge. Figure 9
shows how these ramps may be constructed if your are
doing your own installation.
WarNiNG! Motorhomes are very heavy.
whatever methods are used to elevate the vehi-
cle must be of sufficient capacity for the vehicle weight
involved. NEVER work under any vehicle supported
only by a jack of any kind. DO NOT USE concrete
blocks or other masonry items that may collapse
under the vehicle weight.
Pay particular attention to the routing of wires and
hoses. keep them away from exhaust heat, mov-
ing parts and sharp edges that may cause cuts or other
damage. route or tie away from critical areas as required.
keep all wires a minimum of 6” from hot exhaust parts, 8”
or more is recommended whenever possible.
a general assembly diagram is provided in addition
to the specific step or section diagrams in the text
(Figure 1 ). the general assembly diagram shows relation-
ships of individual components for reference: however,
numbered step-by-step procedures should be followed for
proper assembly sequence.
right-hand and left-hand designations refer to the
driver’s right or left, as seated in the vehicle (i.e.:
right-hand refers to the passenger side of the vehicle),
unless noted otherwise.
the banks Motorhome PowerPack is designed to
fit class “a” 454 chevrolet engine/chassis combi-
nations. because of different equipment layoust used by
the various coach builders, some accesories and compo-
nents may have to be relocated to accommodate the air
intake components of the banks PowerPack.
Notification
the Banks ram-air Filter comes pre-oiled
and no oiling is necessary for initial instal-
lation. service the Banks ram-air Filter
as specified in the Cleaning and Oiling
the Banks ram-air Filter section of this
manual.
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