AEROMOTIVE
Part # 11104 & 11110
Product Description
INSTALLATION INSTRUCTIONS
This product is not legal for sale or use on emission-controlled vehicles except when used as a direct
replacement part matching OEM specification.
WARNING!
Always be aware of flammable situations. Drilling and grinding can be
potential ignition sources. Extinguish all open flames, prohibit smoking and
eliminate all sources of ignition in the area of the vehicle and workspace before
proceeding with the installation. Ensure you are working in a well ventilated area
with an approved fire extinguisher nearby.
WARNING!
etc.
Installation of this product requires modification to a fuel tank/ the fuel
system, failure to satisfy all safety considerations will result in fire, explosion,
injury and/or loss of life to yourself and/or others. All fuel system components
MUST be located as far from heat sources as possible, like exhaust, engine block,
WARNING!
Mechanical and hydraulic lifting devices can tip over or lower accidentally
due to incorrect maneuvering or technical errors. A falling object can cause
injury and/or loss of life to yourself and/or others. When working under the
vehicle, always use stands, and ensure that the ground or floor is stable and
level. Never crawl under a vehicle which is only supported by a jack.
WARNING!
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.
CAUTION!
When installing this product always wear safety glasses and other
appropriate safety appeal. A drilling operation will cause flying metal chips. Flying
metal chips can cause eye injury.
CAUTION:
Installation of this product requires detailed knowledge of automotive systems
and repair procedures. We recommend that this installation be carried out by a
qualified automotive technician. Careless installation of this product can result in
damge to the product, injury or loss of life to yourself and/or others.
Compatible Fuels:
Pump Gas
Race Gas
E85
Alcohol/Ethanol
To use this pump in your vehicle’s fuel system, you must do the following:
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A by-pass style fuel pressure regulator must be used in the system.
Utilize AN-12 size high pressure fuel lines, fittings and o-rings for all connections from the fuel
tank pickup to the fuel pump.
Mount pump level or lower and as close to the bottom of the tank as possible.
Install a 12302 pre-filter and 12310 post filter.
If you are using a stock fuel tank, install a reservoir sump in the bottom-rear of your fuel tank.
Exercise extreme caution and follow all manufacturers’ recommendations when installing a
reservoir sump. (Sump part # 15650)
Tank/Fuel cell must have at least a ½” tank vent.
If you choose not to install a reservoir sump, then you must install a high flow capacity fuel tank
pickup (3/4” inner tube diameter). (Installing pickup instead of a reservoir sump may shorten the
fuel pump life and cause drivability problems. When using a pickup, you should maintain at
least ½ tank of fuel in the vehicle at all times, to avoid possible engine & or fuel pump damage.)
For any street driving or continuous use, Aeromotive recommends the installation of a pump
voltage control module, Aeromotive p/n 16306 (not needed for marine use).
Maximum continuous operating pressure should not exceed 70 psi.
Failure to follow the above may result in fuel leakage, bursting of the fuel lines, poor vehicle
performance and/or decreased fuel pump life! Improper installation will void all warranties for this
product!
The following steps are typical of most installations:
1. Once the engine has been allowed to cool, relieve the fuel system pressure and disconnect the negative battery
cable.
2. Raise the vehicle and support it with jack stands.
3. Referring to the appropriate vehicle service manual for instructions, remove the OEM fuel pump.
4. Install an after-market fuel cell or fuel tank sump kit, per the manufacturer’s instructions.
Note: Failure to mount the pump lower than and close to the fuel tank may cause the pump to run dry, resulting
in extreme pump wear! Make sure the pump is located lower than and as close as possible to the fuel tank, so
that the pump is always supplied with fuel!
5. Find a suitable place on the vehicle chassis to mount the Aeromotive fuel pump. Make sure the location will
accommodate the pump mounting bolts, position the pump lower than the fuel tank, is clear of the exhaust, is clear of
any moving suspension or drivetrain components and will keep the pump clear of road obstructions or debris. Using
the pump as a template, mark and drill four mounting holes to accept ¼” bolts. Mount the fuel pump using four ¼”
bolts, nuts and lock washers. For quieter fuel pump operation use Aeromotive p/n 11601 fuel pump vibration
dampening mounting kit.
6. Using minimum of 3/4” ID or AN-12 fuel line, connect the fuel tank sump outlet to a 12302 fuel filter. Using the same
size fuel line connect the fuel filter outlet to the fuel pump inlet, or if you are using an Aeromotive fuel filter you can
attached the filter directly to the fuel pump utilizing an AN-12 fitting (15612) and 2 sealing o-rings (12AN o-ring
pack 15624).
Note: If you would like a fuel shut off valve installed between the fuel tank outlet and the fuel pump. Use
Aeromotive part # 12332 shutoff valve fuel filter in place of the 12302 fuel filter.
7. Connect the fuel pump outlet to the vehicle’s fuel rails in the engine compartment. Make sure you use high pressure
(200 psi minimum) fuel line for this connection!
Note: Be sure to route all electrical wires clear of any moving suspension or drivetrain components and any
exhaust components! Protect wires from abrasion and road obstructions or debris.
8. There are several ways to connect electrical power to the pump, depending on your fuel injection system. Make sure
you use stranded, insulated copper wire, in the sizes shown, with matching crimp-type connectors for all connections.
9. Attach the OEM fuel pump wires, the aftermarket ECM fuel pump wires or your fuel pump switch wires as shown in
the following diagram.
10. Attach a suitable fuel pressure gauge (part # 15633 for EFI and 15632 for Carb) to the fuel system schrader valve,
fuel rail or fuel pressure regulator.
11. Ensure that any spilled fuel and any fuel soaked shop towels are cleaned up and removed from the vicinity of
the vehicle!
CAUTION: While performing the following steps, if any fuel leaks are detected, immediately turn the ignition to
OFF, remove any spilled fuel and repair the leak(s) before proceeding!
12. Turn the ignition to ON without starting the engine , allow the pump to run for several seconds and check the
fuel pressure. If there is no pressure, turn the ignition to OFF, wait one minute, then turn the ignition to ON and
recheck the pressure. Repeat this ignition OFF and ON procedure until the gauge registers pressure or you detect
a fuel leak. If no pressure is registered on the gauge after running the pump for several seconds and you have
found no leaks, check all fuel and electrical connections to determine the cause.
13. Once the fuel pressure gauge registers pressure, start the engine. The fuel pressure gauge should register between
40 and 70 psi. If you have installed an adjustable fuel pressure regulator, adjust it to the desired setting.(For maximum
fuel system performance, we recommend using an Aeromotive adjustable fuel pressure regulator; call us for info.)
14. Shut the engine off. Using suitable clips and other mounting hardware, secure the newly installed fuel lines and
electrical wires by attaching them to the vehicle chassis.
15. Carefully lower the vehicle to the ground.
16. Test drive the vehicle to insure proper operation and re-check the fuel system for leaks. If any leaks are found,
immediately discontinue use of the vehicle and repair the leak(s)!
NOTE:
When installing a new fuel system, the system will be contaminated from manufacturing and assembly. This
contamination will be stopped by the 12310 post filter. Change the post filter element after 100 miles to insure
pump/system life (filter element part # 12610).
Fuel System Troubleshooting
Pump performs poorly or runs intermittently
Pump does not run at all.
Do you have voltage at the
pump terminals?
No
Yes
Is the “+”terminal
connected to +12 V and the
“-“ terminal connected to
the battery ground cable?
No
Check all
electrical
connections.
Is the fuel pressure
regulator you are
using a by-pass
style?
Connect power
wires to proper
terminals.
Yes
Are you using a
sumped fuel tank or
a fuel cell?
Yes
Is the fuel line going to the
engine compartment
connected to the same side
of the fuel pump as the
power terminals?
No
Yes
Do you have a 100-micron
fuel filter installed on the
inlet side of the fuel pump?
Yes
No
No
No
Yes
Plumb the fuel
pump in the
proper orientation.
Is the fuel line
between the fuel
tank / fuel cell a
minimum of 9/16”
ID or AN-10?
Debris may have
entered the fuel
pump and locked
it up, Contact
Aeromotive.
No
Yes
Is the fuel pump
mounted at or below
the half tank fuel
level?
Contact Aeromotive
No
Yes
Does the fuel filter
on the inlet side of
the pump have a
100-micron
filtration rating and
have a min. of 60 in2
?
Yes
Are the fuel filters
in the system been
clean or new?
No
No
Yes
Contact Aeromotive
No
Are you driving the
vehicle for periods
of time greater then
30 minute with less
the 10 gallons of
fuel in the tank?
Yes
A by-pass style regulator is
required for proper operation of
this product. For EFI we
recommend Aeromotive p/n
13101 or 13109. For carb
applications we recommend
Aeromotive p/n 13204.
A sumped fuel tank or fuel cell
is required for proper product
performance, refer to
Aeromotive tech bulletin #802
“Pickup tubes -vs- sumped
tanks” for specific details.
Clean, high flow inlet plumbing
is required for proper pump
operation, a min. of 9/16” ID or
AN-10 fuel line is required on
the pump inlet side.
The fuel pump must be
mounted such that it has a good
gravity feed to insure proper
priming and a long service life.
The fuel filter on the inlet side
of the fuel pump is required to
be rated at 100-micron and
have no less then 60 in2
filtering area. For detailed
information see Aeromotive
tech bulletin #101 titled “Inlet
Insure that all fuel filters are
clean or new, proper filters are
an inexpensive cure to a lot of
fuel system problems. Refer to
Aeromotive tech bulletin #102
titled “Post Pump Filtration”.
As the fuel level falls in your
tank it is being recirculated at
an increasing rate, allowing less
time for fuel cool down, in
these cases it is recommended
to use a Fuel Pump Speed
Controller, we recommend
Aeromotive p/n 16306.
Aeromotive, Inc. Technical Bulletin #101
From:
Aeromotive Technical Department
Date:
10/10/2011
Re:
Fuel Filtration: Selecting the correct filter to prevent lean-out and pump failure.
STOP!! If you are selling or installing a fuel filter on the inlet of an Aeromotive fuel pump, be certain
you do not use a filter that causes more problems than it solves. For pump inlet filtration, use only
Aeromotive 100-micron P/N #12304, #12302 or an acceptable equivalent (see specifications below).
Do not install the Aeromotive P/N #12301 or 12310 filter with 10-micron fabric element on the inlet of
any Aeromotive fuel pump, they are however perfect for use on the outlet of the pump, and this is the
only location for which they are recommended.
You may run any brand of filter you choose on your car, just be certain that it meets the following requirements:
The filter element used on the inlet side of any Aeromotive fuel pump may be no finer than 100-micron (no
number smaller than 100), with a surface area of 60 square inches or more.
Any filter element not meeting these criteria may fail to flow the full volume of the pump, resulting in both
vehicle drivability and pump reliability problems. Aeromotive fuel pumps are engineered to be efficient, and
can create both high outlet pressure and high inlet vacuum. The boiling temperature of any liquid varies with
pressure. For example, the engine’ cooling system is purposely designed to pressurize the coolant in order to
raise the boiling point. So how does this apply to fuel delivery? When a fuel pump has to pull through a
restriction to get fuel from the tank a vacuum develops which lowers the fuel’s boiling temperature, cavitating
the fuel and turning it from liquid into vapor. Bottom line: Inlet restrictions create vacuum, which causes
cavitation, which in turn causes vapor-lock and fuel pump damage. Of course, drivability problems and even
engine damage can result! Lesson: Don’t combine high flow, efficient fuel pumps with poor flowing inlet
filters. Don’t use fuel lines smaller than the pump ports. Don’t use fuel tank pick-ups or tank outlets smaller
than the line.
What about a fine filter? They are also necessary, but must be installed on the outlet side of your Aeromotive
fuel pump, never on the inlet. Options include the Aeromotive 10-micron (replaceable element) fabric filter
assemblies P/N #12301 and P/N #12310, and the new, high-flow 40-micron (cleanable element) stainless steel
filter assembly P/N #12335. Given the alcohol content found in today’s pump gas, it is now necessary to
frequently monitor and service any downstream fuel filters in use. Because they cannot be cleaned, keep a spare
10-micron element on hand for immediate service to eliminate engine fuel starvation and drivability problems
when they become heavy clogged.
All Aeromotive pumps except the Pro Series EFI pump may use the Aeromotive filter #12304 with –10
inlet and outlet fittings and 100-micron stainless steel element. The Pro Series EFI pump #11102 requires
filter #12302 with larger stainless steel element and –12 inlet and outlet fittings. The #12302 is also
recommended for the #11104 EFI Eliminator pump and our new #11105 belt drive pump (try 400gph or
2700lb/hr of fuel delivery at 100psi!!). Though Genuine Aeromotive Filters may be somewhat more
expensive than the off-brand options, you simply must “compare apples to apples”. They say “a picture is
worth a thousand words…”
Above are various versions of “100-micron” fuel filters/elements. Note: the top element is the Aeromotive 100micron element P/N #12604, as found the fuel filter assembly P/N #12304. Note the various filters all have
“billet” housing, with AN connections, and can be disassembled for inspection and cleaning. Also, note that all
are sold and recommended as appropriate pre-filters.
Of course, it’s obvious by this comparison image that there’s more to a filter than the micron rating, a billet housing
or even AN Connections. It should be equally clear that surface area, the amount of filter material available for fuel
flow, is not at all related to micron rating, but a major key to a filters flow capacity. All these filters may be fine, well
made assemblies, and perhaps they are suitable for use with various fuel pumps on various engines; However,
excepting the very top element which is there for comparison, none of the above belong in any system featuring
an Aeromotive fuel pump and certainly not any car, boat, truck, etc. that features an engine worthy of such a
pump.
Contact Us
RGA NUMBER REQUIRED FOR ALL RETURNS TO AEROMOTIVE.
To obtain an RGA number, please call (913) 647–7300 and ask for the Returns and Repairs department or
complete the online form under the “Rebuilds” section at www.aeromotiveinc.com .
• Shipping & Returns
Aeromotive Inc.
11414 W 79th Street.
Lenexa, KS 66214
General Inquiries and Tech Line: (913) 647-7300
General Email: [email protected]
Tech Email: [email protected]
The Aeromotive Tech Lines are open Monday through Friday from 9:30AM to 5:00PM Central Standard Time.
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