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1.
DISCONNECT BATTERY ground(-) to prevent short that
could damage electrical components or ignite gasoline
or gasoline fumes.
included in #641580 and #641590 kit will conduct
electricity.
2.
Allow engine to cool. Relieve any residual fuel system
pressure.
3.
Remove all fuel system components and plumbing
between fuel tank outlet and carburetor inlet, noting
routing of hoses and lines. Cap off fuel tank outlet.
4.
If needed, install appropriate supplied block-off plate
onto fuel pump mounting boss on engine block using
supplied gasket and hardware.
FUEL PUMP & 8-1/4" PROFILTER
5.
Install supplied Russell adapter fittings into inlet and
outlet of Edelbrock electric fuel pump, using pipe thread
sealant (See Fig. 1) .
6.
Create mounting location for fuel pump and large
Russell filter. Filter goes between tank and pump.
Pump should be as close to fuel tank as possible, and as
low as possible without being exposed to exhaust heat,
suspension or driveline movement, or road hazards.
Use fully-clamped pump mounting bracket as template
for drilling mounting holes. NOTE: fabrication of an
additional mounting bracket may be required
(See Fig. 1) .
7.
Mount fuel pump in desired location. Mount filter with
supplied clamp (See Fig. 1) .
© 2007 Edelbrock Corporation
Brochure No. 63-641580
INSTALLATION PROCEDURE
Stainless steel braid on hose
Fig. 1
CARBURETOR FEED LINE
641580/641583 Edelbrock Thunder Series AVS:
8a. Install supplied Russell carburetor fuel feed line using
supplied banjo bolts and washers (See Fig. 2) .
8b. Install small Edelbrock filter onto feed line inlet (See Fig. 2) .
NOTE: An additional Russell adapter fitting or hose
assembly may be required to relocate filter if application
has inadequate clearance.
641590/641593 Holley/Demon:
9.
Select appropriate carb bowl inlet adapters; lube threads
and install using supplied shim sealing washers. Install
lower flex hose assembly onto adapters (See Fig. 3) .
Page 2 of 4
Fig. 2
Fig. 3
Catalog #641580, 541583, 641590, & 641593
Rev. 10/07 - AJ/mc
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