Vortech Super FMU Bedienungsanleitung PDF herunterladen

1. MOUNTING AND FUEL LINE ATTACHMENT

A. Attach the super fuel management unit (SFMU) and bracket

to the fender apron or firewall with the supplied screws. The

SFMU can be used as a stand alone unit or in series with a

standard fuel pressure regulator.

B. Connect the fuel rail return line to the -6 fitting located on the

side of the SFMU. The -6 fitting on the bottom center of the

SFMU is to be connected to the return line back to the tank.

2. CALIBRATION RINGS AND DISKS

Three (3) additional calibration rings and disks are included to

set the fuel pressure vs. boost pressure slope. Determine the

correct calibration ring/disk combination for the particular appli-

cation by referring to the supplied fuel pressure chart on the back

of this page (actual fuel pressure may vary with each vehicle

due to differences in fuel pump output, injector size, etc.) The

SFMU is assembled at the Vortech factory with a 3.62" calibra-

tion disk. If a different disk is required, proceed with the following

steps:

A. Remove the six (6) allen head screws from the top of the

SFMU. Carefully remove the lid, diaphragm and disk.

B. Install the proper replacement ring into the housing. Place

the matching disk inside the ring on top of the piston.

C. Reinstall the diaphragm on top of the disk and line up the

holes to the housing.

D. Reinstall the spring retainer, spring (optional) and cover.

Torque the six (6) #10 allen head screws to 24 in./lbs. (2 ft./

lbs.) Do not overtighten.

3. STATIC FUEL PRESSURE ADJUSTMENT

A. Loosen the static adjustment jam nut on top of the SFMU

and pressurize the fuel system.

B. Turn the "static" set screw until the desired idle fuel pressure

is obtained (typically around 38-40 psig without vacuum sup-

plied). Tighten the jam nut and set screw.

SUPER FUEL MANAGEMENT UNIT (SFMU)

ENGINEERING, INC.

WARNING: Do not remove the four screws holding the valve

body to the SFMU housing. Once taken apart, the valve

will have to be replaced.

NOTE: Maximum static fuel pressure with the standard

SFMU spring is approximately 50-60 psi. DO NOT bottom

out the static adjustment screw in order to achieve higher

fuel pressure as it will cause internal damage to the unit. If

more static fuel pressure is required, replace the standard

"static" spring (largest spring in SFMU lid) with the extra

spring included in the SFMU box. This spring has a longer

free length and will provide higher static pressure along

with a slightly faster rate of gain. A third spring, Vortech

#7X100-050, is the stiffest spring available but must be or-

dered separately.

1 2 3

FUEL PRESSURE CHART 2
CONT'D 2

Inhaltsverzeichnis

Seite 1

1. MOUNTING AND FUEL LINE ATTACHMENTA. Attach the super fuel management unit (SFMU) and bracketto the fender apron or firewall with the supplied screw

Seite 2 - CONT'D

4. VACUUM PORTA. Attach a 5/32" or 3/16" vacuum line from the intake manifold tothe 3/16" hose barb located on the SFMU lid. Approximat

Seite 3

SUPER FUEL MANAGEMENT UNIT (SFMU),CONT'D.NOTE: If the rate of gain that the 2.22" disk gives is still too high, ring #6X070-041may be used i

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Vortech Super FMU Bedienungsanleitung

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