fits model: 283, 307, 327. make: Chevrolet, Rochester. year: 1968.

( Brand: Rochester ), ( Manufacturer Part Number: 7028112 ), ( Type: Chevy ), ( Oe/oem Part Number: 1967 )
The Rochester 7028112 2-barrel carburetor is a high-performance fuel delivery system designed specifically for 1968 Chevrolet V-8 engines, including those with displacements of 283, 307, and 327 cubic inches. Driven by a rich legacy and renowned for its able-bodied design, this carburetor delivers extraordinary fuel mixture regulations, ensuring stellar engine performance.
Design and Construction:The Rochester 7028112 2-barrel carburetor boasts a traditional yet sophisticated design that showcases the intricacies of analog fuel delivery systems. Crafted with a sleek and durable die-cast aluminum housing, the carburetor is robust enough to meet the rigorous demands of Chevrolet V-8 engines. The unit's versatile design allows it to cater to various engine configurations, making it a versatile addition to any restoration project or high-performance build.
Unique Features: The Rochester 7028112 2-barrel carburetor comes equipped with several features that distinguish it from competitors. These features include:1. Accurate Fuel Mixture Delivery: With its asphaltic secondary diaphragms and meticulously tuned jets and needles, this carburetor guarantees precise fuel-air mixture ratios, essential for ignition and optimal engine power.
2. 0-4000RPM Vacuum Secondary: This feature ensures smooth and potent engine performance across a broad RPM range. It accentuates low and mid-range torque while delivering commendable power and responsiveness.
3. Innovative Air- bleeding Systems: The Rochester 7028112 boasts a state-of-the-art air-bleeding system that guarantees a consistent fuel-air mixture throughout the engine RPM range.
4. Adjustability: Flexible adjustment mechanisms furnished on the carburetor allow fine-tuning for various engine modifications and requirements, making it an indispensable addition for discerning enthusiasts and mechanics.
Installation and Compatibility:Installing the Rochester 7028112 2-barrel carburetor on a 1968 Chevrolet V-8 engine is a relatively straightforward process. The carburetor comes with comprehensive installation instructions and necessitates only minor modifications to the intake manifold. Furthermore, its compatibility with engines featuring 283, 307, and 327 cubic inches displacements makes it an adaptable option for a broad range of Chevrolet V-8 engine builds.
Conclusion:The Rochester 7028112 2-barrel carburetor is an authentic and potent fuel delivery solution for 1968 Chevrolet V-8 engines (283, 307, 327 cubic inches). Its intricately crafted design, accurate fuel mixture delivery, extensive adjustability, and compatibility with various engine configurations make it a superior choice for automotive enthusiasts and professionals. By tapping into the rich history and proven expertise of Rochester carburetors, this 2-barrel carburetor stands out as a formidable partner for your classic Chevrolet V-8 engine restoration or high-performance build.
The Rochester 2-barrel carburetor, model 7028112, also known as the 2GV carburetor, was originally designed for use in various Chevrolet V-8 engines, including the 283, 307, and 327 cubic inch versions, produced between 1965 and 1968. This carburetor came as an alternative to the more complex quad-carburetor setups and offered satisfactory power and fuel efficiency for many applications. Here are some pros and cons to help you decide if purchasing a Rochester 7028112 2-barrel carburetor for your 1968 Chevrolet 283, 307, or 327 V-8 engine is the right choice for you.
Pros:1. Cost-effective: Two-barrel carburetors generally cost less than their quad-carb counterparts. This is a significant advantage for those who want to save money on performance upgrades.
2. Simplified installation: Due to having fewer components, a two-barrel carburetor is typically easier to install than a quad-carb setup. This can also save time and effort during the installation process.
3. Reliability: When maintained properly, a Rochester 2-barrel carburetor can provide reliable performance and offer consistent power delivery.
4. Classic Appeal: For those who prefer the look of older school carburetors, the Rochester 7028112 2-barrel carburetor will add an authentic touch to the exterior of your classic Chevrolet.
Cons:1. Limited power output: Two-barrel carburetors deliver less power than quad-carb setups, which might not be suitable for high-performance applications.
2. Limited fuel efficiency: Compared to modern fuel-injected systems or even more advanced carburetors, a 2-barrel carburetor will not offer the best fuel efficiency. A significant increase in fuel consumption is to be expected.
3. Tuning: Achieving optimal performance with a 2-barrel carburetor is more challenging than modern fuel-injected systems. It requires more expertise in carburetor tuning and adjustments to attain top performance.
4. Heat Sensitivity: These older carburetors tend to be sensitive to engine heat, which can cause the fuel mixture to get too rich or too lean, leading to sub-optimal performance.
Conclusion:The Rochester 7028112 2-barrel carburetor is a cost-effective and simplified choice for those looking for decent power and a classic appearance. However, it comes with some drawbacks such as power limitations, fuel inefficiency, and sensitivity to engine heat. As a 1968 Chevrolet V-8 engine owner, consider the specific requirements of your project and prioritize the importance of power, fuel efficiency, and complexity level before making your decision to buy or replace your current carburetor with the Rochester 7028112 2-barrel carburetor. If high power output is a priority, or if your budget permits, a quad-carburetor setup might be a more suitable choice. Ultimately, your decision will depend on your preferences, expertise, and the overall goals of your project.
Carb core appears to be mostly complete missing idle screws, threads are good. Throttle bores measure 1-7/16 and base mounting bolt pattern to measures 1-7/8 by 3-1/4. Please verify part number and pics match your application. See pics for condition.
Linkage moves free. Rochester 2GV 2-barrel carburetor, stamp number 7028112. Core for rebuilding or parts.