CARTER 4980S Carburetor 1-BARREL 6-CYLINDER

( Brand: Carter ), ( Manufacturer Part Number: 4980S ), ( Type: Carb ), ( Vintage Part: No )

Review CARTER Rbs 1-barrel Carburetor Ford Mercury 6-cylinder fits MUSTANG 250 1970

The Carter RBS 1-barrel carburetor, model 4980, is a renowned fuel delivery system specifically designed for the 1970 Ford Mustang and Mercury 250 6-cylinder engines. Manufactured by Carter Fuel Systems, this carburetor is an ideal replacement for original or failing stock carburetors.

The RBS series carburetors are appreciated for their robust design and ease of tuning, which is essential for optimal engine performance. This particular model, the Carter 4980, is equated with the 4-barrel Quadra-Jet carburetors in terms of effectiveness and smoothness. The 1-barrel design, however, is more cost-effective and less complex compared to its multi-barrel counterparts.

The Carter 4980 features a mechanical secondary system that delivers enhanced low-end torque and improved fuel economy. Accommodating a vacuum secondary system, this carburetor is compatible with stock OEM intake manifolds. The idle mixture circuit, nestled beneath the throttle valve, helps maintain consistent idling and ensures a smooth transition between idle and cruising speeds.

Constructed using high-quality materials, the Carter RBS 1-barrel carburetor is designed to withstand the rigors of daily driving and rough road conditions. Its meticulously engineered metering rods and jets carefully control fuel delivery, working in harmony with the throttle valve to optimally balance fuel-air mixture for steady engine performance.

This carburetor also minimizes emissions by facilitating efficient combustion processes. Its advanced air control system ensures a proper air-fuel mixture is delivered to the engine, allowing for a crisp and powerful throttle response. Additionally, the Carter RBS 1-barrel carburetor offers excellent suitability for customization through aftermarket jets, needles, and other performance-enhancing modifications to further personalize and fine-tune the engine.

In conclusion, the Carter RBS 1-barrel carburetor (model 4980) is a must-have for Ford Mustang and Mercury 250 6-cylinder owners seeking improved engine performance, increased torque, and a cost-effective fuel delivery system. With its robust construction, ease of tuning, and high-performance capabilities, the Carter RBS 1-barrel carburetor is a smart investment for enthusiasts and performance-focused drivers alike.

The Carter RBS 1-barrel carburetor, model 4980S, was originally developed foruse in 1970 Ford Mustang and Mercury Cougar 250 six-cylinder engines. This carburetor is a single-barrel, downdraft design that offers both performance and affordability for classic car enthusiasts.oms drawing from various sources, here are some potential pros and cons of installing a Carter RBS 4980S carburetor in a 1970 Ford Mustang or Mercury 250 six-cylinder:

1. Authenticity: These carburetors were originally installed in Ford and Mercury vehicles of this era, adding to the authenticity and value of a classic car restoration project.

2. Cost-effective: Compared to more modern or high-performance carburetors, a Carter RBS 4980S is relatively affordable, making it a popular choice for budget-conscious enthusiasts.

3. Straightforward installation: Since this carburetor is a direct replacement for the original equipment, installation is usually straightforward and can be completed with common hand tools.

4. Availability: Carter carburetors are widely available new, rebuilt, and even as carburetor kits that include additional components like air cleaners, intake manifolds, and gaskets.

5. Performance: A properly calibrated and tuned Carter RBS 4980S can provide decent performance, especially for a six-cylinder engine. A rebuild or fine-tuning can help improve fuel efficiency and power output.

1. Factory settings may need adjustment: The stock settings for the Carter RBS 4980S might not ideal for every installation, so extensive tuning will likely be required to achieve the best possible performance.

2. Vacuum secondaries: While it offers decent performance, the Carter RBS 4980S is not a true high-performance carburetor as it uses vacuum secondaries which may not provide optimal power gains for heavy modifications or racing applications.

3. Fuel efficiency: The 4980S is not necessarily the most fuel-efficient carburetor option, as it requires continuous fuel enrichment under loads, which can negatively impact overall gas mileage.

The Carter RBS 1-barrel carburetor, model 4980S, is a cost-effective and authentic choice for those restoring a 1970 Ford Mustang or Mercury 250 six-cylinder. While it offers decent performance and is relatively easy to install, it may require extensive tuning to reach its full potential. For those looking for maximum power and fuel efficiency, this carburetor might not be the best option, but for an affordable and authentic restoration, it is an excellent choice.

If you're seeking a cost-effective, authentic carburetor for your 1970 Ford Mustang or Mercury 250 six-cylinder restoration project, then the Carter RBS 1-barrel carburetor, model 4980S, is an excellent choice. Keep in mind that extensive tuning will likely be required to achieve optimal performance, but for those on a budget, its affordability and authenticity make it a great addition to your project. If you're more focused on high-performance upgrades, you might consider a different carburetor type, such as a double-pumper or high-performance four-barrel, to better suit your goals.

Details:

See pics for condition. Core for rebuilding or parts. Linkage moves free. Carter RBS 1-barrel carburetor, stamp number 4980S.

Carb core appears to be mostly complete. Please verify part number and pics match your application.

part #: 4980s prices

• $325.00-$399.99

specifications carbcoon:

• for models: 250, Mustang
• for makes: Rbs, Ford, Mercury
• for years: 1970
• brand: Carter
• mpn: 4980s
• type: Carb
• vintage part: No

seller carbcoon:

• # reviews: 29428
• city: Sheboygan Falls, Wisconsin
• rating: 99.9%

shipping carbcoon:

• transit: 5-12 Days
• carrier: USPS
• type: Calculated
• class: Standard
• cost: $0.00
• service: USPS Ground Advantage

returns carbcoon:

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

offer carbcoon:

• best offers: True
• availability: In Stock
• quantity: 1
• started: January 31, 2025
• options: Ship-to-home
• sold: 0

payments carbcoon:

• wallet: Google-pay
• other
• credit card: Mastercard

general carbcoon:

• Car Truck Parts Accessories > Air Fuel Delivery > Carburetors
• condition: For parts or not working

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