Fast 30400-KIT-EZ-EF Instructions Manual - page 9
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In-tank vs In-line:
In-tank pumps are preferred over in-line pumps for multiple reasons. Most importantly, in-tank pumps
do not experience the priming issues that can sometimes occur with in-line pumps. In-tank pumps can
be found on practically all late model cars due to their simplicity and effectiveness, and as stated
above, are required for returnless-style fuel systems.
In-line pumps can be easier to install in certain scenarios but are sensitive to mounting location. In-
line pumps must by mounted close to the tank and lower than the lowest point of the fuel tank in order
to properly prime.
Fuel System Installation
CAUTION: Installation of this product requires detailed knowledge of automotive systems and repair
procedures. Installation of fuel system parts and any fuel tank 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 approved fire extinguisher nearby. Extinguish
all open flames, prohibit smoking and eliminate all sources of ignition in the area of the vehicle before
proceeding with the installation. When working with fuel systems, eye goggles and other safety
apparel should be worn as needed to protect against debris and sprayed gasoline. The finished work
must be checked carefully to ensure there are no fuel leaks.
All fuel lines and connectors used in the installation of your fuel injection system should be rated for
the higher pressure associated with fuel injection systems. It is not recommended that you use the
factory hard lines as part of your installation unless the ends allow for the proper connection to high
pressure systems.
Be mindful as you route your fuel hoses that you keep them away from sources of heat and moving
components on your vehicle.