Fuel management unit, cont'd, 1 fuel management unit recalibration – Vortech 1994-1995 Ford 5.0 Mustang User Manual
Page 12

P/N: 4FG020-010
© 2008 Vortech Engineering, Inc.
All Rights Reserved. Intl. Copr. Secured
04NOV08 V2.0(94-95 5.0 Mus.(4FG V2.0))
4
4. FUEL MANAGEMENT UNIT, cont'd.
E. Attach the 5/32" vacuum hose assembly to
the vacuum tree on the intake manifold (see
Fig. 4-d). The assembly will form a TEE in
between the tree and the fuel regulator.
F. Route the assembly to the fitting on top of
the FMU.
G. Reuse the fuel retainer clips from the stock
return fuel line at the manifold.
3-1/2"
VACUUM TREE
LOCATED ON INTAKE
MANIFOLD
28"
3"
FACTORY FUEL
REGULATOR
4.1 FUEL MANAGEMENT UNIT RECALIBRATION
NOTE:
Make sure all connections are sealed
properly with the cable ties provided to
avoid vacuum leaks.
Fig. 4-b
Fig. 4-e / FMU
Fig. 4-c
Fig. 4-d
(For Cobra models or vehicles equipped with 24
lb. injectors only.)
A. Remove the six allen head screws on top of
the fuel management unit (FMU). (See Fig.
4-e.)
B. Remove the diaphragm and disk (and the ring,
if equipped) from inside of the FMU.
CONNECT TO MANIFOLD
VACUUM/PRESSURE
INLET
(FUEL LINE
FROM STOCK
REGULATOR)
OUTLET
(FUEL FROM HERE
RETURNS TO TANK)
WARNING:
Do not remove the four screws holding the
valve body. Once taken apart, the valve
would have to be replaced.
FUEL FEED LINE
FUEL RETURN LINE
ON FIREW
ALL
FUEL
MANAGEMENT
UNIT (FMU)
T-REX HIGH-
OUTPUT ONLY
NEW FUEL
FITTING
FUEL TANK
FUEL
PUMP
FILTER
ENGINE