CARTER 9212S Thermoquad Carburetor

( Brand: Carter ), ( Manufacturer Part Number: 9212S ), ( Type: Thermoquad ), ( Manufacturer Warranty: No Warranty ), ( Country/region Of Manufacture: United States ), ( Fitment Type: Performance/custom ), ( Performance Part: Yes )

Review CARTER Thermoquad Carburetor Dodge Truck Mopar California fits 440 1978

The Carter ThermoQuad 9212S carburetor is a legendary component in the automotive community, particularly for Dodge and Mopar 440 engine applications from the year 1978. This quad-barrel carburetor boasts an intricate design that ensures optimal fuel delivery and air-fuel mixture for enhanced engine performance.

The Carter 9212S ThermoQuad is a four-barrel carburetor, meaning it features four separate barrels, each with its own throttle valve and choke. This design allows for a more efficient fuel delivery system, enabling a larger volume of air and fuel to be drawn into the engine for a more powerful combustion process. The carburetor is specifically designed for use with the larger 440 cubic inch engines found in Dodge and Mopar muscle cars.

One of the most distinctive features of the Carter 9212S ThermoQuad is its thermostatic air-bleed system. This feature allows the carburetor to self-adjust fuel mixture based on engine temperature. During cold starts, the system enriches the fuel mixture to help the engine warm up more efficiently. As the engine temperature rises, the carburetor gradually leans out the fuel mixture for optimal performance at higher temperatures.

Another notable feature of the Carter 9212S ThermoQuad is its adjustable secondary metering rods. These rods allow for fine-tuning of the fuel delivery system, enabling the carburetor to be optimized for various engine conditions and driving styles. The primary metering rods are also adjustable, providing additional flexibility for tuning the carburetor for specific engine requirements.

The Carter 9212S ThermoQuad carburetor is constructed from high-quality materials, including cast aluminum and brass components. The carburetor's durable design ensures long-lasting performance, even under the most demanding driving conditions. The carburetor also features a smooth-operating throttle linkage, which provides precise control over engine RPMs for smooth and responsive acceleration.

Maintaining the Carter 9212S ThermoQuad carburetor is relatively simple, with easily accessible adjustment screws and replaceable components. This makes it an ideal choice for enthusiasts and restorers who want to maintain the authenticity and performance of their classic Dodge or Mopar muscle cars.

In conclusion, the Carter ThermoQuad 9212S carburetor is a must-have component for any Dodge or Mopar 440 engine enthusiast. Its unique design, featuring a quad-barrel configuration, thermostatic air-bleed system, and adjustable secondary metering rods, makes it an essential piece of equipment for achieving optimal engine performance and maintaining the authenticity of these classic muscle cars.

The Carter AFB 9212S ThermoQuad carburetor is a four-barrel carburetor that was commonly used on Dodge and Mopar 440 engines from 1973 to 1976. Here are some pros and cons of buying this carburetor for your vehicle:

1. Historical Significance: This carburetor was a popular choice during the muscle car era and can add value to a collectible vehicle.

2. Fuel Efficiency: The ThermoQuad design provides good fuel economy by using a thermostat-controlled secondary circuit that improves idle quality and reduces emissions.

3. Power: Four-barrel carburetors, such as the 9212S, provide more power and better performance than single or two-barrel carburetors.

4. Availability: The Carter AFB 9212S ThermoQuad carburetor is widely available from various suppliers, both new and used.

1. Complexity: Four-barrel carburetors are more complex than single or two-barrel carburetors, which can make installation and maintenance more difficult and time-consuming.

2. Cost: The 9212S ThermoQuad carburetor can be more expensive than other types of carburetors due to its complexity and historical significance.

3. Tuning: Properly tuning a 9212S ThermoQuad carburetor can be a challenge, requiring a good understanding of carburetion principles and the ability to adjust various components.

4. Fuel Quality: This carburetor may not perform well with poor quality fuel, such as ethanol-blended gasoline.

The Carter AFB 9212S ThermoQuad carburetor is a popular choice for Dodge and Mopar 440 engines due to its historical significance, fuel efficiency, and power. However, its complexity, cost, and tuning requirements can make it a challenging component to work with. If you are restoring a collectible muscle car or simply looking for improved performance, the 9212S ThermoQuad carburetor may be a worthwhile investment. However, if you are looking for a simpler and more cost-effective solution, you may want to consider other types of carburetors or fuel injection systems.

If you have the time, patience, and resources to properly install and tune a Carter AFB 9212S ThermoQuad carburetor, it can provide significant performance improvements for your Dodge or Mopar 440 engine. However, if you are looking for a more straightforward and cost-effective solution, you may want to consider other types of carburetors or fuel injection systems. Additionally, make sure to use high-quality fuel to ensure optimal performance.

Details:

Sold as is for rebuilding. Plastic housing looks intact too. Great movement of all shafts and no rust or oxidation issues. This one is Carter number 9212S and complete a great survivor unit with no issues.

No disappointments. You won't find a nicer builder. No visible damage or breaks cracks.

It is correct for model year 1978 1979 trucks but will fit more. Comes from a great collection. Will always combine shipping whenever possible.

part #: 9212s prices

• $81.00-$139.50

specifications carbcoon:

• for models: 440
• for makes: Dodge, Mopar
• for years: 1978
• brand: Carter
• mpn: 9212s
• type: Thermoquad
• manufacturer warranty: No Warranty
• country/region of manufacture: United States
• fitment type: Performance/custom
• performance part: Yes

returns carbcoon:

• policy: No Returns

offer carbcoon:

• availability: In Stock
• options: Ship-to-home
• quantity: 1
• best offers: True
• started: September 24, 2025
• sold: 0

payments carbcoon:

• other
• cash
• credit card: Mastercard
• wallet: Paypal

seller carbcoon:

• # reviews: 9420
• city: Spokane, Washington
• rating: 100.0%

general carbcoon:

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

shipping carbcoon:

• carrier: USPS
• type: Calculated
• class: Expedited
• transit: 3-7 Days
• service: USPS Priority Mail Large Flat Rate Box
• cost: $29.95

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