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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.
NOTE: The enclosed regulator will not necessarily seal to hold fuel pressure after the fuel pump
stops running. In addition, testing the enclosed regulator by applying air pressure or vacuum to
the vacuum/boost port with a hand-held pump will show a slight air leakage through the
adjustment screw threads. This leakage is minute and is typical of all adjustable fuel pressure
regulators. This does not, in any way, affect the performance of this regulator.
The Aeromotive regulator, Part #13220, utilizes three 3/8" NPT inlet/outlet ports, and one 3/8" NPT
bypass or return port. The regulator also has three 1/8" NPT gauge ports. All NPT ports require
the use of thread sealant equivalent to Loctite 565 for proper sealing.
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.
Installation of this product requires handling of gasoline. Ensure you are
working 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 installing this product, wear eye goggles and other safety apparel as
needed to protect yourself from debris and sprayed gasoline.
Performance Specifications:
Pump Line Pressure Adjustment Range:
Carburetor Pressure Adjustment Range:
This regulator includes the following parts:
1 – 13220 EFI-To-Carb regulator
1 – 1/8" NPT 45-degree Street Elbow (gauge adapter)
Aeromotive system components are not legal for sale or use on emission controlled motor vehicles.
The following steps are typical of most installations:
13220 EFI-To-Carb Dual Regulator
Installation Instructions
WARNING!
CAUTION:
8-16 PSI
5-9 PSI
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Summary of Contents for Aeromotive 13220
- Page 1 This does not, in any way, affect the performance of this regulator. The Aeromotive regulator, Part #13220, utilizes three 3/8” NPT inlet/outlet ports, and one 3/8” NPT bypass or return port. The regulator also has three 1/8" NPT gauge ports. All NPT ports require the use of thread sealant equivalent to Loctite 565 for proper sealing.
- Page 2 1. Once the engine has been allowed to cool, disconnect the negative battery cable and relieve the fuel system pressure. 2. Remove any cosmetic covers necessary to allow access to the EFI intake manifold. 3. Place shop towels around the factory supply and return line connections to catch any gasoline that is spilled and disconnect the supply and return lines.
- Page 3 15. With the fuel pressure gauges registering fuel system pressure, check for fuel leaks from and around the Aeromotive regulator. If any fuel leaks are found, turn the ignition key to the OFF position, remove any spilled fuel and repair the leak before proceeding! 16.
- Page 4 AEROMOTIVE, INC. LIMITED WARRANTY This Aeromotive Product, with proof of purchase dated on or after January 1, 2003, is warranted to be free from defects in materials and workmanship for a period of one year from the original date of purchase.
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