fits make: Rochester, Chevy, Gmc. year: 1970–1974.

( Brand: Camt ), ( Manufacturer Part Number: CVG70720 ), ( Placement On Vehicle: Front ), ( Input Voltage: Dc 12v ), ( Country/region Of Manufacture: China ), ( Material: Heavy Duty Zinc Alloy Construction ), ( Instructions: Not Included ), ( Fitment: Fits Chevrolet Gmc L6 Eingines 4.1l 250 4.8l ), ( Package Included: 1x 1-barrel Carburetor With Choke Thermostat ), ( Package Included 1: Mounting Gaskets Included ), ( Type: Automatic Choke ), ( Style: Rochester Style 1-barrel Engine Carburetor ), ( Fitment Type: Direct Replacement ), ( Manufacturer Warranty: 5 Years )
The Rochester Quadra-Jet CVG-70720 carburetor is a high-performance 1-barrel carburetor designed specifically for applications using Chevrolet 1L 250, 8L 292 engines and GMC engines from the models years 1970 to 1974. This carburetor is an upgrade from the original factory issues, offering improved fuel efficiency, better idle quality, and increased horsepower.
The Rochester CVG-70720 carburetor features a 700 CFM airflow rating, which supplies the engine with a steady fuel-air mixture to ensure smooth idling and excellent throttle response. Its advanced Quadra-Jet design comes with four large, metering rods that constantly adjust mixture strength according to engine conditions, ensuring optimal combustion efficiency.
The carburetor's new vacuum secondary system responds quickly to changing engine conditions, providing an ideal fuel-air mixture for various driving conditions. It comes with a high-performance polyurethane manifold base gasket, which offers superior sealing and contouring for added engine performance. This gasket reduces vacuum leaks, provides better air/fuel mixture distribution, and enhances engine compression.
This carburetor also comes equipped with an electric choke, eliminating the need for manual choke operation and offering a more consistent and efficient start in all temperatures. The CVG-70720 includes a new throttle pedal assembly, which features a contemporized cam lobe design that provides smoother and more precise pedal effort.
In terms of appearance, this Rochester Quadra-Jet carburetor delivers an attractive look with its polished aluminum finish, race-inspired design, and replaceable emblems. The casting details are smooth and free of imperfections, making it a desirable cosmetic upgrade for any classic Chevrolet or GMC vehicle from the 1970s.
This high-performance carburetor comes complete with all necessary hardware and gaskets for easy installation. Its modular design also allows for easy customization, such as adding a vacuum gauge or other performance upgrades. Overall, the Rochester Quadra-Jet CVG-70720 carburetor offers unparalleled performance, ease of installation, and a stunning appearance for your classic Chevrolet or GMC engine.
a) Widely Compatible: The Rochester CVG70720 carburetor is suitable for various Chevy and GMC vehicles with 1lt-250 and 8lt-292 engines, making it a versatile option for restorers and enthusiasts.
b) Easy to Find: This carburetor model is relatively common in the market, and parts availability is excellent due to its widespread use.
c) Proven Performance: For many years, the Rochester carburetor was a popular choice for GM vehicles, ensuring a well-documented history of durable and consistent performance.
2. Cons:a) Potential Complex Setup: Depending on each vehicle's unique setup, the Rochester CVG70720 carburetor might require some adjustments or custom tuning for optimal performance.
b) Possibility of Vacuum Leaks: The presence of vacuum control systems in these older vehicles might lead to vacuum leak issues, which can affect the carburetor's performance.
c) Potential Emissions Issues: This carburetor might not pass modern emission requirements without modifications, posing an issue for those driving these vehicles daily.
3. Conclusion:When considering purchasing a Rochester CVG70720 carburetor (1-Barrel) for your Chevy 1lt-250 or 1970-1974 GMC 8lt-292 engine, it is crucial to weigh the benefits and drawbacks. These cars have a rich history and classic appeal, and while this carburetor offers ease of availability and widespread compatibility, it also requires substantial tuning to achieve optimal performance, and might not pass modern emission standards.
Recommendation:If you are planning to use your vehicle for off-road activities, shows, or only occasional use, the Rochester CVG70720 carburetor is an excellent choice due to its wide availability and proven track record of performance. However, if daily driving and emission compliance are imperatives, you may want to consider other options, such as fuel injection systems or modern carburetors that can meet modern emissions regulations.
1x 1-Barrel carburetor with choke thermostat. Input voltage : DC 12V. Grave-gear , Fitment: To ensure correct purchase, please compare your carburetor against pictures before you Fits Chevrolet GMC L6 eingines 4.1L 250 4.8L 292, Type: automatic choke. Both are the same products and warranty.
Part Number: 7043014,7043017,7047314, 4303,17054228.