CARTER 4030S Carburetor 389CI

( Brand: Carter ), ( Manufacturer Part Number: 4030S ), ( Material: Aluminum ), ( Modified Item: No ), ( Placement On Vehicle: Front ), ( Choke Type: Mechanical ), ( Type: Carburetor ), ( Mounting Flange Type: Square Bore ), ( Features: Down Draft ), ( Country Of Origin: United States )

Review CARTER Pontiac 389ci Carburetor Used Nice fits PRIX CATALINA GRAND GTO 1966

The Carter AFB 4030S carburetor is a legendary component of the 1966 Pontiac GTO, Pontiac LeMans GTO, and Catalina 389CI engines. This carburetor is a two-barrel model, featuring a unique design that sets it apart from other carburetors of the time.

The Carter AFB 4030S carburetor boasts an impressive air flow capacity of 675 CFM at 2,300 RPM. This high flow rate is attributed to its large 2150-style barrels, which are capable of delivering ample fuel and air mixtures to the engine for optimal performance. The barrels are topped with Carter's famous Accu-Force secondary throttle plates, which help maintain consistent fuel delivery during acceleration and cruising.

The primary venturis in the Carter AFB 4030S carburetor measure 1.650 inches, while the secondary venturis are slightly smaller at 1.575 inches. This venturi size difference ensures that the secondary throttle plates open progressively during acceleration, providing smoother power delivery and improved drivability.

One of the most noteworthy features of this carburetor is its advanced accelerator pump system. The Carter AFB 4030S carburetor utilizes an external accelerator pump, which is mounted on the side of the carburetor body. This design allows for more fuel to be delivered to the engine during rapid acceleration, resulting in improved performance and quicker throttle response.

The Carter AFB 4030S carburetor also includes a power valve, which is responsible for regulating the fuel mixture during deceleration and idle conditions. This feature allows the engine to run more efficiently at low speeds and helps prevent stalling when coming to a stop.

The Carter AFB 4030S carburetor is designed to work seamlessly with the 389CI Pontiac engines, providing the ideal fuel and air mixture for exceptional power and torque. Its classic appearance, with its polished chrome finish and distinctive shape, makes it a popular choice among hot rod and muscle car enthusiasts.

In summary, the Carter AFB 4030S carburetor is a must-have for any 1966 Pontiac GTO, Pontiac LeMans GTO, or Catalina 389CI engine restoration or custom build project. With its impressive air flow capacity, advanced accelerator pump system, and power valve, this carburetor delivers the performance and drivability that Pontiac enthusiasts crave.

The Carter AFB 4030S carburetor was originally used on various General Motors (GM) vehicles, including the 1966 Pontiac GTO, Pontiac LeMans, and Chevrolet Chevelle. This carburetor is known for its performance capabilities, particularly in high-performance applications. Here are some pros and cons to consider when deciding whether to buy a Carter AFB 4030S carburetor for your 1966 Pontiac GTO or other eligible GM vehicles.

1. High Performance: The Carter AFB 4030S carburetor was designed for high-performance applications. It offers excellent air/fuel mixture delivery, which can lead to increased horsepower and torque.

2. Adjustability: This carburetor comes with adjustable features, such as the primary and secondary throttle circuits, jet sizes, and idle mixture. These adjustments allow you to fine-tune the engine for optimal performance.

3. Vintage Appeal: The Carter AFB 4030S carburetor is a popular choice among enthusiasts restoring classic cars. Installing it in your 1966 Pontiac GTO will maintain or enhance the vehicle's vintage appearance.

4. Availability: This carburetor is readily available and can be purchased from various suppliers, both online and offline.

1. Complexity: The Carter AFB 4030S carburetor is a complex piece of machinery. Installing and tuning it requires a fair amount of knowledge and experience.

2. Cost: Compared to modern fuel injection systems, carburetors, including the Carter AFB 4030S, can be more expensive. You should consider the cost of the carburetor itself, as well as the cost of any necessary tools or accessories for installation and tuning.

3. Maintenance: Carburetors require regular maintenance, such as cleaning, adjusting, and rebuilding. This can be time-consuming and may require a significant investment in tools and replacement parts.

The Carter AFB 4030S carburetor offers numerous advantages, especially for those seeking high performance and vintage appeal. However, it also presents some challenges, such as complexity and maintenance requirements. Ultimately, the decision to buy this carburetor for your 1966 Pontiac GTO or other eligible GM vehicles depends on your personal preferences, expertise, and budget. If you are comfortable with the carburetor's complexity and willing to invest in its maintenance, the Carter AFB 4030S could be an excellent choice for enhancing your vehicle's performance and authenticity.

If you decide to purchase a Carter AFB 4030S carburetor for your 1966 Pontiac GTO or other eligible GM vehicles, consider the following recommendations:

1. Ensure that the carburetor is compatible with your specific engine and vehicle configuration.

2. Consult factory service manuals, online resources, or experienced professionals for installation and tuning instructions.

3. Budget for the cost of the carburetor, as well as any necessary tools or accessories for installation and maintenance.

4. Consider investing in a carburetor rebuild kit or having the carburetor professionally rebuilt to ensure optimal performance and longevity.

Details:

Oem carb used and in great original condition looks complete comes w a throttle cable bracket or whatever the pictured is with it may need rebuild but super clean tag.

part #: 4030s prices

• $61.00-$261.25

specifications carbcoon:

• for models: Gto, Prix, Catalina, Grand
• for makes: Pontiac
• for years: 1966
• brand: Carter
• mpn: 4030s
• material: Aluminum
• modified item: No
• placement on vehicle: Front
• choke type: Mechanical
• type: Carburetor
• mounting flange type: Square Bore
• features: Down Draft
• country of origin: United States

payments carbcoon:

• credit card: Discover
• other
• wallet: Apple-pay

returns carbcoon:

• time: 30 Days
• paid by: Buyer
• policy: Returns Accepted

offer carbcoon:

• started: February 19, 2026
• options: Ship-to-home
• sold: 0
• availability: In Stock
• quantity: 1
• best offers: True

shipping carbcoon:

• service: USPS Ground Advantage
• cost: $15.00
• class: Standard
• type: Fixed
• carrier: USPS
• transit: 7-11 Days

general carbcoon:

• Car Truck Parts Accessories > Air Fuel Delivery > Carburetors
• condition: Used

seller carbcoon:

• city: Berkley, Massachusetts
• # reviews: 2313
• rating: 100.0%

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