Banks Power GM Motorhomes: (Gas ’01 - 10 8.1L Workhorse) PowerPack & Stinger systems '01-04 Class-A MH, P-series - Manual (Page 10)

from the driver-side front
muffler hanger (see Figure
12 ).
29.
Measure 11- 1 ⁄
8
” from
the previously removed front
muffler hanger location, to the
rear of the coach (see Figure
12 ). Drill (2) 1 ⁄
2
” holes through
the frame rail. The holes are
spread 5-
1 ⁄
2
” apart. caUTION:
before drilling, be sure all wire
harnesses, fuel lines, etc.
are relocated away from the
drilling location.
30.
Install the previously
removed muffler hanger and
rubber insulator assembly
onto the inside frame rail
using the holes drilled through
the frame. Torque the hanger
nuts to 30 ft-lbs.
31.
Install a 3” clamp on the
outlet end of the crossover
tube and inlet tube. Install the
Banks Monster muffler’s dual
inlet tubes over the crossover
tube and inlet tube. Install the
rear Monster muffler hanger
pin into the corresponding
rubber insulator.
32.
For 190”, 208” and
228” wheelbases, install a
4” clamp onto the inlet end
of the extension pipe. Install
the extension pipe onto the
Monster muffler outlet and
snug the 4” clamp.
33.
For motorhomes with
left-side exit exhaust systems:
A) Place the supplied frame
mounted hanger pin on the
rear of the left outside frame
next to the rear stabilizer
cross member.
B) Verify
3 ⁄
8
” or larger frame
holes are apparent. Some
models may need the
1 ⁄
4
”
frame holes drilled to 7 ⁄
16
” (see
Figure 13 ).
C) Secure the supplied frame
mounted hanger pin onto the
frame using:
(2)
3 ⁄
8
-16 x 1” bolts
(2) 3 ⁄
8
-16 crimp nuts
(4) 3 ⁄
8
” SAE washers
D) Verify the hanger is straight
and torque the
3 ⁄
8
” hardware
to 30 ft-lbs.
Figure 12
Figure 11
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