MSD Atomic EFI 2920 Installation Instructions

MSD Atomic EFI 2920 Installation Instructions

Fuel pump kit

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DANGER
PN 2920 - Fuel Pump Kit, 525 HP
WARNING
modifications must be carried out by a qualified automotive technician. Installation of fuel system
parts requires handling of gasoline. Ensure that work is performed in a well ventilated area with an
CAUTION
approved fire extinguisher nearby. Extinguish all open flames, prohibit smoking and eliminate all
sources of ignition in the area of the vehicle before beginning the installation.
When working with fuel systems, eye goggles and other safety apparel should be worn to protect
against debris and sprayed gasoline. The finished work must be thoroughly checked to ensure
NOTICE
there are no fuel leaks.

Parts Included:

1 - Fuel Pump
1 - Small Parts Bag (screws, nuts & washers)
2 - Fuel Pump Clamps
1 - Pre Filter (pre pump)
1 - Post Filter (post pump)
DANGER
15 ft 3/8" Fuel Line
WARNING
The Fuel Pump Kit, PN 2920, contains all the components necessary to set up a returnless fuel system
DANGER
CAUTION
for the Atomic EFI. This means that a return line to the fuel tank is not required, which simplifies the
WARNING
fuel system installation. This kit can also be used with the MSD PN 2922 return kit, if a return line to the
CAUTION
tank is needed.
A Returnless fuel system does have limitations depending on your application and a few other
NOTICE
NOTICE
variables. Please see the included addendum for determining whether a returnless system is right for you.
INSTALLING THE RETURNLESS FUEL SYSTEM
CORRECT RETURNLESS (PWM) INSTALLATION
M S D
•   W W W . A T O M I C E F I . C O M   •   ( 9 1 5 )   8 5 5 - 7 1 2 3   •   F A X   ( 9 1 5 )   8 5 7 - 3 3 4 4
Atomic EFI
Installation of this product requires detailed knowledge of automotive systems
and repair procedures. Installation of fuel system parts and any fuel tank
The fuel system is under pressure. Do not open the fuel system until the pressure
has been relieved. Refer to the appropriate vehicle service manual for the
procedure and precautions for relieving the fuel system pressure.
POST
FUEL
FILTER
Figure 1 Atomic Returnless Fuel System.
Parts Bag:
1 - Clamp, Pre-filter
1 - Clamp, Post-filter
7 - Clamps, Fuel Line
2 - Self Tapping Screws
2 - Fitting, 6AN, 90°
2 ft. Black Wire
1 - 14g Ring Lug
PRE FUEL
FILTER
FUEL
PUMP
NOTE: Hard fuel lines are NOT recommended
for use with the returnless fuel system.
FUEL TANK

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Summary of Contents for MSD Atomic EFI 2920

  • Page 1 Atomic EFI. This means that a return line to the fuel tank is not required, which simplifies the WARNING fuel system installation. This kit can also be used with the MSD PN 2922 return kit, if a return line to the CAUTION tank is needed.
  • Page 2: Installation Instructions

    IN TANK MOUNT The MSD pump can be used in the tank however it would require a sock, or filter element, on the pickup side. It is important to note that the wiring used to run the pump will need to meet requirements to be submersed in fuel.
  • Page 3 PUMP FUEL PRE FUEL FILTER FILTER FUEL POST PUMP FUEL FILTER FUEL TANK MSD ADJUSTABLE REGULATOR FUEL TANK MSD ADJUSTABLE REGULATOR NOTE: Do not use tubing (hard fuel lines) with the Atomic EFI system. AFTERMARKET INCORRECT ADJUSTABLE REGULATOR PRE FUEL...
  • Page 4: Limited Warranty

    *Intended normal use means that this item is being used as was originally intended and for the original application as sold by MSD. Any modifications to this item or if it is used on an application other than what MSD markets the product, the warranty will be void.

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