Vortech 1991-1995 5.2L/5.9L Dakota/Ram User Manual
Page 15
10. DISCHARGE PLENUM AND DUCT
A. Remove the air filter hold-down bolt
from the bracket in the center of the
throttle body. Fit the 1/4-20 x 4-1/4" bolt
into the bracket and secure with the nut
provided.
B. Fit the discharge plenum, with the
gasket, onto the throttle body and tighten
the nut to position.
C. Secure the discharge duct in place with
the clamps and sleeves provided.
D. Fit the bypass valve to the 1" barb on
the discharge tube using the length of
1" heater hose and #16 hose clamps.
(See graphic for proper assembly.)
Attach the 1" K & N filter to the discharge
portion of the bypass valve. Tighten
clamps.
E. Connect the supplied piece of 5/32"
vacuum hose to the nipple located on
the bottom of the bypass valve. Tie the
opposite end of the hose into the FMU
vacuum/boost reference line using the
supplied 5/32" brass tee.
9
9B. FUEL MANAGEMENT UNIT
(1994-96 Models Only) cont'd.
B. Connect the FMU inlet hose (the
hose running to the 90
°
fitting on
the side of the FMU) to the brass
90
°
fitting on the exit side of the
secondary fuel pump.
C. Connect the FMU outlet hose to
the brass #4 flare fitting located
before the secondary pump inlet.
D. Attach the supplied vacuum line
from the fitting on top of the FMU to
the small vacuum fitting on the
driver's side of the intake manifold.
See graphic.
E. Use tie wraps to secure the lines.
5/32" VACUUM
HOSE
CONNECT TO
MANIFOLD
VACUUM/BOOST
INTAKE
MANIFOLD
FUEL RAIL
DRIVER'S SIDE
ATTACH FMU TO
SMALL VACUUM
CONNECTION
FUEL
INJECTORS