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Match Carburetor Pressure and the Exact Regulator Layout
Aeromotive 13222 is an ultra-low-pressure carbureted regulator. One female ORB-06 inlet and two female ORB-06 carburetor outlets; these three ports do not include a bypass return. The regulator's inlet, outlet pressure and supply-pressure limit must match the actual fuel system.
Key Features
- 2–5 PSI outlet adjustment; exact manual documents 4–20 PSI inlet pressure.
- One female ORB-06 inlet and two female ORB-06 carburetor outlets; these three ports do not include a bypass return.
- One-inlet/two-outlet low-pressure layout; the two outlets are not bypass returns.
- O-ring boss fuel ports use the correct O-rings and adapters without pipe-thread sealant.
Fitment
| Application | Requirement |
|---|---|
| Component-based carbureted fuel system | Small downdraft or sidedraft carburetors, including the manufacturer-named Stromberg, Weber, Mikuni, Dellorto and Solex types; match exact carburetor pressure and supply requirements. |
A vehicle year/model alone does not establish compatibility. Aeromotive restricts use on emission-controlled vehicles to direct replacements matching OEM specifications.
Specifications
| Detail | Value |
|---|---|
| Brand | Aeromotive |
| Manufacturer Part Number | 13222 |
| Configuration | ultra-low-pressure carbureted regulator |
| Pressure | 2–5 PSI outlet adjustment; exact manual documents 4–20 PSI inlet pressure |
| Fuel ports | One female ORB-06 inlet and two female ORB-06 carburetor outlets; these three ports do not include a bypass return |
| Pump/application qualification | Small downdraft or sidedraft carburetors, including the manufacturer-named Stromberg, Weber, Mikuni, Dellorto and Solex types; match exact carburetor pressure and supply requirements. |
| Gauge arrangement | Dedicated 1/8-inch NPT gauge port per primary page; gauge separate |
| Mounting bracket | Included |
| Condition | New |
The former bypass title was incorrect for the exact manufacturer's one-inlet/two-outlet layout. The inlet's documented 20 PSI upper limit is distinct from the 2–5 PSI regulated outlet; do not feed it an unspecified EFI-pressure supply.
What's Included
- Assembled ultra-low-pressure carbureted regulator
- Mounting bracket
Fuel-port adapters and unused-port plugs, pressure gauge, fuel lines and vehicle mounting hardware are not promised. A fuel log or complete pump/regulator/plumbing package is separate.
About Aeromotive
Aeromotive develops performance fuel pumps, regulators, filters, rails, tanks, fittings, controllers, and complete fuel-system components for street, racing, and custom applications. Black Ops Auto Works organizes each listing by exact part number and available application data to support accurate system planning.
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Frequently Asked Questions
What is the 13222?
It is an Aeromotive ultra-low-pressure carbureted regulator with the exact pressure and connection layout described above.
Which fuel connections are provided?
One female ORB-06 inlet and two female ORB-06 carburetor outlets; these three ports do not include a bypass return. O-ring boss body ports require matching adapters and O-rings; they are not male hose flares or pipe threads.
What pressure range is documented?
2–5 PSI outlet adjustment; exact manual documents 4–20 PSI inlet pressure. The former bypass title was incorrect for the exact manufacturer's one-inlet/two-outlet layout. The inlet's documented 20 PSI upper limit is distinct from the 2–5 PSI regulated outlet; do not feed it an unspecified EFI-pressure supply.
What pump and application scope applies?
Small downdraft or sidedraft carburetors, including the manufacturer-named Stromberg, Weber, Mikuni, Dellorto and Solex types; match exact carburetor pressure and supply requirements.
Is this a three-port bypass regulator?
No. The exact manufacturer layout is one inlet and two carburetor outlets. Neither outlet is a return port, and the manual's plumbing diagram does not show a regulator-to-tank bypass. Match a suitable low-pressure supply rather than plumbing it as a return regulator.
How is fuel pressure checked?
Dedicated 1/8-inch NPT gauge port per primary page; gauge separate. Use a gauge suited to the low-pressure operating range; the gauge is not included.
What is included?
The assembled regulator and mounting bracket are documented. Fuel-port adapters/plugs, fuel hose, pump and a complete vehicle installation package are separate.
Which fuel and reference requirements apply?
The exact manual lists pump gasoline, race gasoline, E85 and alcohol/ethanol. Other system components need independent fuel approval. No manifold/boost-reference feature is established for this exact version; do not inherit one from a return-style model.
Installation Instructions
- Have a qualified technician verify the exact regulator, required carburetor pressure, pump capability and fuel compatibility. Cool the engine, isolate power and relieve fuel pressure.
- Mount with adjustment stud on top and inlet on bottom, per exact manual.
- Use matching O-ring boss fuel adapters and O-rings without thread sealant on these straight-thread body ports. Follow the exact manual's inlet/outlet orientation; do not select a port only by appearance.
- Verify supply pressure within the exact manual's documented 4–20 PSI inlet range and connect the two carburetor outlets as required. Do not treat an outlet as a bypass return.
- Install a suitable pressure gauge in the documented gauge arrangement. Use suitable sealant only on NPT gauge threads, not on ORB fuel ports.
- Prime without starting, check for leaks and repair leaks before operation. Adjust to the carburetor's required pressure within the applicable hardware range, lock the adjustment and verify pressure under operating conditions.
California Proposition 65 Warning
WARNING: This product can expose you to chemicals known to the State of California to cause cancer and reproductive harm.
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