GP 77-1077 Carburetor Rebuild Kit Gm 15691 2-BBL 2GC

( Brand: Gp ), ( Part Type: Carburetor ), ( Manufacturer Part Number: 77-1077 ), ( Ipn: 15691 )

Review GP Carburetor Rebuild Kit Gm Rochester 2gc fits 1977–1978

The GP 77-1077 Carburetor Rebuild Kit is designed specifically for the Rochester 2-barrel 2GC carburetors used on 1977 and 1978 General Motors vehicles. This comprehensive rebuild kit includes all the necessary components to restore your carburetor to like-new condition.

The heart of this kit is the meticulously engineered reconditioned carburetor body. This body has been carefully cleaned, inspected, and rebuilt to ensure optimal performance. It features a smooth, polished finish that not only looks great but also helps prevent corrosion.

The kit also includes a full complement of new gaskets, seals, and o-rings to ensure a perfect seal between all components. These gaskets are made from high-quality materials that can withstand the rigors of daily driving, ensuring a leak-free operation.

The rebuild process starts with the reconditioning of the float bowls. The GP 77-1077 Carburetor Rebuild Kit includes new float bowls gaskets and float bowl mounting hardware. The float bowls are carefully inspected, cleaned, and rebuilt to ensure they function correctly.

The kit also includes new needle and seat assemblies, float needles, and float needles gaskets. These components are critical for proper fuel delivery to the engine. The new needle and seat assemblies ensure a proper fuel level in the float bowls, while the new float needles and gaskets ensure a smooth fuel flow.

The jet kit included in this rebuild kit covers a wide range of applications, making it a versatile solution for most 1977 and 1978 GM vehicles. The kit includes new main jets, secondary jets, and emulsion tubes. These jets are precision machined to ensure accurate fuel delivery, resulting in improved engine performance and fuel efficiency.

The GP 77-1077 Carburetor Rebuild Kit also includes new idle mixture screws, idle mixtures screw gaskets, and vacuum secondary idle mixture screws. These components allow for precise adjustment of the idle mixture, ensuring stable and consistent engine idle.

The kit also includes new throttle shaft bushings, throttle shaft gaskets, and throttle linkage hardware. These components ensure a smooth and responsive throttle operation, providing excellent drivability and acceleration.

The rebuild process is further enhanced by the inclusion of new fuel bowl gaskets, fuel bowl mounting hardware, and fuel bowl vent tubes. These components ensure a proper seal between the fuel bowl and the carburetor body, preventing fuel leaks and ensuring optimal fuel delivery.

Finally, the GP 77-1077 Carburetor Rebuild Kit includes all the necessary hardware to complete the rebuild process, including new mounting hardware, adjusting screws, and bolts.

In conclusion, the GP 77-1077 Carburetor Rebuild Kit is a high-quality, comprehensive solution for restoring your Rochester 2-barrel 2GC carburetor to like-new condition. With a wide range of new components and precise engineering, this kit ensures optimal performance, improved fuel efficiency, and a smooth, responsive operation. Whether you're restoring a classic vehicle or simply maintaining your daily driver, this rebuild kit is the perfect choice.

Buying a GP 77-1077 carburetor rebuild kit for a 1977-1978 GM Rochester 2-bbl 2GC carburetor comes with several pros and cons that may influence your decision.

1. Cost-effective: A rebuild kit is generally more affordable than buying a new carburetor. The GP 77-1077 kit includes all necessary parts for a complete rebuild.

2. Improved Performance: Rebuilding your carburetor using a high-quality kit can help improve the performance of your vehicle. A clean and properly functioning carburetor can lead to better fuel economy and smoother engine operation.

3. Customization: With a rebuild kit, you have the ability to customize your carburetor to your specific needs and preferences. For example, you can choose to use high-performance jets or adjust the idle mixture for better fuel economy.

1. Time-consuming: Rebuilding a carburetor is a complex process that requires patience and attention to detail. It may take several hours to complete the rebuild, depending on your experience level and the condition of the carburetor.

2. Possibility of Damage: During the rebuild process, there is a risk of damaging the carburetor or its components if not handled carefully. Proper disassembly, cleaning, and reassembly techniques are essential to prevent damage.

3. Learning Curve: If you are not experienced in carburetor rebuilding, it may take some time to learn the necessary skills and techniques. There are many resources available online and in print to help guide you through the process.

In conclusion, buying a GP 77-1077 carburetor rebuild kit for a 1977-1978 GM Rochester 2-bbl 2GC carburetor comes with both advantages and disadvantages. The cost savings, improved performance, and customization options make it an attractive choice for many vehicle owners. However, the time-consuming nature of the process, possibility of damage, and learning curve may be deterrents for some. Ultimately, the decision to purchase a rebuild kit depends on your experience level, budget, and desired outcome. If you are comfortable with the challenges and willing to invest the time and effort, a rebuild kit can be a cost-effective and rewarding solution for reviving your carbureted vehicle.

1. Ensure that you have the necessary tools and resources for the rebuild process, including a clean work area, carburetor cleaner, and a set of adjustable wrenches.

2. Familiarize yourself with the rebuild process by reading the instructions provided with the kit and consulting online resources or carburetor repair manuals.

3. Take your time during the rebuild process to ensure that all components are properly cleaned, lubricated, and installed according to the instructions provided with the kit.

4. Consider seeking the assistance of a professional mechanic or carburetor rebuild specialist if you are not confident in your ability to complete the rebuild on your own.

5. After the rebuild is complete, perform a thorough cleaning and inspection of the carburetor to ensure that all components are properly installed and functioning correctly.

6. Test the vehicle to ensure that the carburetor is operating smoothly and efficiently. Adjust the idle mixture and fuel economy as needed to optimize performance.

part # 771077 prices

• $12.95-$80.44

specifications carbcaddie:

• for makes: Rochester
• for years: 1977-1978
• brand: Gp
• part type: Carburetor
• manufacturer part number: 77-1077
• interchange part number: 15691

seller carbcaddie:

• rating: 99.8%
• # reviews: 293776

payments carbcaddie:

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

shipping carbcaddie:

• transit: 4-10 Days
• cost: $0.00
• type: Fixed
• service: USPS Ground Advantage
• carrier: USPS
• class: Standard

general carbcaddie:

• condition: New other see details
• Car Truck Parts Accessories > Air Fuel Delivery > Carburetor Parts

offer carbcaddie:

• started: June 20, 2026
• sold: 0
• quantity: 1
• availability: In Stock
• options: Ship-to-home

returns carbcaddie:

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

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