ROCHESTER 7055038 Gm Barrel Spread Carburetor

( Manufacturer Part Number: 7055038 ), ( Type: Carburetor ), ( Mounting Flange Type: Spread Bore ), ( Universal Fitment: No ), ( Vintage Part: Yes ), ( Country Of Origin: United States )

Review ROCHESTER Gm Barrel Spread Bore Carburetor Used fits 1975–1977

The Rochester 7055038 1975-1976 GM Barrel Carburetor is a classic automotive component that adds both functionality and style to your vehicle's engine. This carburetor, manufactured by Rochester Products, is specifically designed for use in General Motors vehicles produced between 1975 and 1976.

The 7055038 carburetor features a four-barrel design, which allows for optimal fuel delivery and efficient combustion. Each barrel is equipped with a meticulously calibrated jet and needle setup to ensure precise fuel-air mixture for each cylinder. This results in smooth idling, powerful acceleration, and improved fuel economy.

The carburetor's barrels are topped with high-quality, chrome-plated throttle bodies. These not only add a touch of elegance to your engine bay but also provide excellent durability against corrosion and wear. The throttle plates are controlled by a linkage system, which connects to the accelerator pedal in your vehicle. This allows for easy adjustment of the fuel-air mixture based on driving conditions, ensuring optimal performance.

The base plate of the 7055038 carburetor is made from durable cast aluminum, providing excellent heat dissipation and structural support. The carburetor also comes with a venturi stack, which houses the idle mixture circuits and fuel level sensors. These components work together to maintain a consistent idle speed and ensure proper fuel delivery under various engine loads.

The Rochester 7055038 1975-1976 GM Barrel Carburetor is a high-performance component that requires regular maintenance to ensure optimal operation. This includes regular fuel filter changes, adjustment of the idle mixture screws, and checking the vacuum secondary system. Proper maintenance will help extend the life of the carburetor and ensure it continues to deliver the reliable performance you expect from your vehicle.

In summary, the Rochester 7055038 1975-1976 GM Barrel Carburetor is a top-quality automotive component that delivers impressive performance and style. Its four-barrel design, chrome-plated throttle bodies, and durable cast aluminum base plate make it a standout addition to any GM vehicle from this era. With proper maintenance, this carburetor will continue to provide reliable performance for years to come.

Pros and Cons of Buying a Rochester 7055038 1975-76 GM Barrel Spread Carburetor

a. Vintage Appeal: This carburetor is a classic part from the 1970s, adding an authentic look to older GM vehicles.

b. Performance: The barrel spread design offers improved air/fuel mixture for better combustion and potential performance gains.

c. Availability: Rochester carburetors are widely available and can be easily sourced from various automotive parts suppliers.

d. Affordability: Compared to newer, electronic fuel injection systems, a carburetor like the Rochester 7055038 is generally more cost-effective.

a. Complexity: Carburetors can be more complex to tune and maintain compared to modern fuel injection systems.

b. Fuel Efficiency: Carburetors are generally less fuel-efficient than modern fuel injection systems.

c. Cold Start Performance: Carburetors may struggle to provide consistent cold start performance, requiring adjustments and patience.

d. Emissions: Carburetors typically produce more emissions compared to modern fuel injection systems, which may not meet current emissions standards.

The Rochester 7055038 1975-76 GM Barrel Spread Carburetor offers several advantages, including its vintage appeal, potential performance gains, availability, and affordability. However, it also comes with drawbacks such as complexity, fuel efficiency, cold start performance, and emissions. Ultimately, the decision to purchase this carburetor depends on your personal preferences, the specific requirements of your vehicle, and your level of automotive expertise. If you are comfortable with the challenges of maintaining a carburetor and appreciate the unique look and potential performance gains, then this carburetor may be a worthwhile investment for your vintage GM vehicle.

Details:

PLEASE REMEMBER THAT MANY OF THESE PARTS ARE OVER 50 YEARS OLD AND WILL NOT BE PERFECT. The GM part # is 7055038. This is being sold as a core. The choke and throttle plates move freely.

The carb is used and in fair condition.

part #: 7055038 prices

• $40.00-$114.99

specifications carbcoon:

• for makes: Rochester
• for years: 1975-1977
• mpn: 7055038
• type: Carburetor
• mounting flange type: Spread Bore
• universal fitment: No
• vintage part: Yes
• country of origin: United States

shipping carbcoon:

• class: Standard, Expedited
• type: Calculated
• transit: 4-10 Days
• carrier: USPS, FedEx
• cost: $24.45
• service: USPS Ground Advantage, USPS Priority Mail, FedEx Ground / FedEx Home Delivery

offer carbcoon:

• started: March 6, 2026
• availability: In Stock
• quantity: 1
• best offers: True
• sold: 0
• options: Ship-to-home

general carbcoon:

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

seller carbcoon:

• # reviews: 8665
• city: Oshkosh, Wisconsin
• rating: 99.9%

payments carbcoon:

• other
• credit card: Diners-club
• wallet: Google-pay
• cash

returns carbcoon:

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

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