Edelbrock 1799 Installation Instructions

Catalog #1799

Rev. 4/05 - RS/mc

Page 1 of 2

©2005 Edelbrock Corporation

Brochure #63-0385

• DISASSEMBLY: 

1. After removing fuel pump from engine, remove twelve allen head

screws from the pump pulsator cover and separate from lower fuel

pump body.

2. Remove eight screws from the valve retainers (7) in the lower fuel

pump body; remove valves (5) and old gaskets (6).

3. Remove the pump diaphragm assembly (1) by pressing into casting

and unhooking from fuel linkage rod (10).

4. Remove oil seal (12) and oil seal retainer (13).

5. Grind (don’t use chisel to cut) rocker arm pin (8) end and remove

locking washer (9).  Drive rocker arm pin through casting and remove

rocker arm assembly.  

NOTE: Drive rocker arm pin from side

previously ground.

• CLEANING:

Clean all parts that are to be re-used with a commercially available

carburetor cleaner.  Follow instructions provided with the cleaner.

Make sure that there is adequate ventilation when using cleaning

solvents.

• ASSEMBLY: 

1. Install the six valve gaskets (6), six valves (5), and two valve retainers

(7) in the lower fuel pump body.  The valve retainer screws should not

be torqued to more than 25 in./lbs.  The valves should be installed in

the following manner:

The “inlet” port of the lower fuel pump body is identified by the

embossed letters “in”.  The valves on this side of the casting should

be installed with the “spoked wheel” side up.  The opposite or

“outlet” port is not so identified.  The valves on this side should be

installed with the “spoked wheel” side down.  Valve retainers (7)

should be placed so that their ends will exert a downward pressure

on the valves (see illustration). 

2. Install new pulsator diaphragm (2) on the lower fuel pump body

using two center allen head screws.  Torque to 35 in./lbs. 

3. Install the new oil seal (12) and retainer (13) in the upper fuel pump

body.  The oil seal retainer should be tapped flush with the casting. 

4. Assemble the rocker arm, linkage (10), and bushing (14) together.

Install the new rocker arm return spring (11). 

• PLEASE study these instructions carefully before installing your new fuel pump rebuild kit.  If you have any questions or problems, do not

hesitate to contact our 

Technical Hotline at:  1-800-416-8628, or e-mail us at Edelbrock@Edelbrock.com.

• DESCRIPTION: This kit contains all parts necessary to rebuild all Edelbrock Street High Performance and Racing Fuel Pumps #1711, #1712,

#1715, #1721, #1722, or #1725.  Your fuel pump was manufactured and assembled to exacting specifications and strict quality control

standards.  Care should be taken when rebuilding this pump to ensure continued satisfactory performance. 

WARNING: Personal protection must be given careful consideration.  Eye protection should be worn at all times, especially when grinding and

peening over the rocker arm pin.  The pump body itself is spring loaded with a heavy diaphragm spring.  Extreme caution and care should be

taken when assembling and disassembling the upper pump body to and from the lower pump body.  Upon re-installation of the fuel pump on

the engine, care should be taken to ensure that all fuel lines and fittings are properly installed, tight, and not leaking fuel.

FUEL PUMP REPAIR KIT 

For all Edelbrock Street and Race

6-Valve Mechanical Fuel Pumps 

Catalog #1799 

INSTALLATION INSTRUCTIONS 

5. Press the replacement rocker arm pin (8) into the fuel pump body

casting and through the rocker arm assembly.  Install the rocker arm

pin lock washer (9) and “peen” the pin tightly over this washer. 

6. Apply grease liberally to the pull rod end of the diaphragm (1).  (The

diaphragm’s pull rod end must be inserted through the oil seal.  The

grease will prevent any damage from being done to the seal during

insertion.).  This kit contains two diaphragm springs.  Use  both

springs for Racing fuel pumps or the larger spring only for Street

High Performance fuel pumps.  If you want to install both springs in

a fuel pump originally equipped with the single low-pressure spring,

please note that Racing fuel pumps  MUST use a fuel pressure

regulator to prevent carburetor flooding.  Place the new diaphragm

spring(s) (3) on the diaphragm and pull rod assembly (1).  Insert the

diaphragm pull rod end through the oil seal and “hook” the eyelet

hole of the pull rod onto the rocker arm linkage (10). 

7. Assemble the lower fuel pump body to the upper fuel pump body,

with the diaphragm and diaphragm spring attached.  Make sure the

diaphragm and threaded casting holes are all aligned.  The inlet and

outlet ports of the lower fuel pump body should be at right angles

(90°) to the rocker arm assembly. 

8. Start but do not fully tighten the ten allen head retaining screws.

Before fully tightening these screws,  the rocker arm must be

actuated to and held in the “full stroke” position.  This is done to

ensure that the diaphragm will be pulled to and held in its maximum

working (flexed) position while the retaining screws are torqued tight

in two steps.  First to 15 in/lbs, and then to 35 in/lbs in a criss-cross

or “star” pattern to ensure even, progressive tightening.  This

procedure will ensure against premature diaphragm wear and

subsequent failure due to over-stretching of the diaphragm material

when in the full stroke position.  Another by-product of an improperly

set diaphragm is erratic fuel flow and pressure.  

NOTE: This

procedure can be assisted by holding the fuel pump in a vise or

appropriate fixture, and holding the rocker arm down with a pipe or

similar tool.

After re-installing the fuel pump, run the engine and check

for fuel leaks and proper operation.  Correct as necessary.