Best Carburetor For 400 Small Block (2024 Updated)
When looking for a carburetor for a 400 small block engine, there are a few key points to consider:
1. Size: The size of the carburetor is important because it needs to fit the engine. Make sure to get the correct size for your engine.
2. Compatibility: Make sure the carburetor you select is compatible with your engine and the fuel delivery system you’re using.
3. Performance: Depending on how you’ll be using the engine, you may want to consider a carburetor that provides the best performance.
4. Cost: Carburetors can range from relatively inexpensive to quite expensive, so consider your budget when selecting a carburetor.
5. Maintenance: Look for a carburetor that is easy to maintain and doesn’t require frequent adjustment or cleaning.
When shopping for a carburetor for a 400 small block engine, it’s important to consider all of these factors. The size and compatibility of the carburetor are the most important, as they will determine whether or not the carburetor will fit and work properly. Performance and cost are also important, as they will determine how well the carburetor will work and how much it will cost. Finally, the maintenance requirements should also be taken into consideration, as this will determine how often the carburetor needs to be adjusted or cleaned. By taking all of these factors into account, you’ll be able to find the perfect carburetor for your 400 small block engine.
10 Best Carburetor For 400 Small Block
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1. Rochester 2gc 2 Barrel Carburetor For Chevy Small Block 5.7l/6.6l 400 – Large Base
This product is an aftermarket carburetor replacement for Type Rochester 2GC 2 Barrel Chevrolet Chevy Small Block Engines 5.7L 350 6.6L 400. It is designed to add more horsepower while maintaining near stock fuel mileage. The heavy-duty metal construction makes it a reliable and long-lasting option. It has a large base bolt pattern of 3 11/16 x 2 1/16 inches, with a venturi size of 1 3/16 and throttle bore size of 1 11/16.
This product comes with a package that includes one car carburetor for Chevrolet, a mounting gasket, seal, and a fuel filter pre-installed. It is designed to fit for Chevrolet engine models 350/5.7L 1970-1980 and 400/6.6L 1970-1975. However, it is important to double check to ensure the product fits the engine before ordering, as sometimes an adapter plate is required.
This product is a great choice for anyone looking to replace their old or broken carburetor while also improving the horsepower of their engine. It is an easy to install solution with all the necessary components included in the package. The heavy-duty metal construction ensures that it is a long-lasting and reliable option.
2. Carburetor For Chevy 350/400 Small Block, 1970-1980, Auto Choke.
This 2-Barrel Carburetor is designed to fit Chevrolet 350/5.7L engines from 1970-1980 and Chevrolet 400/6.6L engines from 1970-1975. It is also compatible with Chevrolet B60, Bel Air, Biscayne, Blazer, Brookwood, and C10 models from 1980 to 1975. It has a bolt hole spacing length and width of 93.5×50.5mm (center to center), an intake side inner diameter of 42.8mm, a choke air horn outer diameter of 78mm, and a venturi diameter of 30mm. In addition, it features an automatic choke for improved engine performance.
This carburetor is designed to reduce fuel consumption and start quickly, allowing for a smoother driving experience. It also helps to ensure a stable idle speed, improving maneuverability. Furthermore, it is easy to install and is built to last.
Whether you're a professional mechanic or an amateur enthusiast, this carburetor is an ideal choice for anyone looking to upgrade their Chevrolet engine. If you have any questions, please don't hesitate to contact us.
3. Chevy 350/400 Small Block Carburetor, 1970-1980
This Partol 2 Barrel Carburetor Carb is an aftermarket high performance engine carburetor replacement and is designed to fit Chevrolet Engines, including the 350/5.7L from 1970-1980 and the 400/6.6L from 1970-1975. Model number 350 OE17054616 TF-088.
This carburetor is designed to improve throttle response and engine performance, adding 5-10% horsepower while maintaining near stock fuel mileage. The package includes the carburetor, a mounting gasket, and all the necessary seals.
With this Partol 2 Barrel Carburetor Carb, you can expect to boost your engine's performance, allowing for better response and more power. Additionally, you can maintain near stock fuel mileage, giving you the best of both worlds.
When replacing your old or broken carburetor, this Partol 2 Barrel Carburetor Carb is an excellent choice. It is easy to install and includes all the necessary parts and instructions needed to complete the job.
So if you are looking for an affordable and reliable solution to improve your engine's performance, then the Partol 2 Barrel Carburetor Carb is an ideal choice. With its easy installation and increased engine power, you can experience the best of both worlds.
4. Carburetor Kit For Chevrolet Chevy Rochester 2gc 2 Barrel 5.7l 350 & 6.6l 400 Small Block Engines
This WATERWICH compatible Carburetor Kit with Chevrolet Chevy Type Rochester 2GC Two 2 Barrel 5.7L 350 6.6L 400 Small Block Engines is a reliable, high-performance choice. It is manufactured with the best finish craft, preventing the metal from getting rusty, and comes with a shatterproof sealed. The air intake holes are improved for improved airflow structure, ensuring smooth operation and durability.
This carburetor is a perfect match to the original equipment, compatible with Chevrolet Engine Models 350/5.7L 1970-1980 and 400/6.6L 1970-1975. It reduces the consumption of fuel, increases the horsepower and airflow for your bike, and improves fuel economy. This carburetor is also good at mixing fuel and air, keeping your engine running smoothly and preventing engine from lacking of oil or spilling.
This carburetor is made of Aluminum Alloy to effectively resist oxidation and corrosion. Its smooth surface and stable performance provide a sensitive reaction. It is manufactured and tested to help deliver optimum engine capability.
Before purchasing, please verify the year/make/model of your vehicle and refer to the detailed fitment information on product description page. This WATERWICH compatible Carburetor Kit for Chevrolet Chevy Type Rochester 2GC Two 2 Barrel 5.7L 350 6.6L 400 Small Block Engines is an excellent choice for reliable and high-performance operation.
5. Arp 400-0311 Carburetor Float Bowl Bolt With Single Metering Block, (Set Of 8)
This ARP 400-0311 Carburetor Float Bowl Bolt with Single Metering Block is a high-quality product designed to provide superior performance and longevity. This kit includes 8 studs, and is ideal for those who require a reliable and secure connection between the carburetor float bowl and the metering block.
The design of the ARP 400-0311 Carburetor Float Bowl Bolt with Single Metering Block is made to provide maximum strength and resilience. It is made from a high-grade steel that is corrosion resistant and highly durable. The threads on the studs have been made to be high-precision, allowing for a snug and secure fit.
The ARP 400-0311 Carburetor Float Bowl Bolt with Single Metering Block comes perfectly packaged in a dimension of 17.78 H x 1.27 L x 12.446 W (centimetres) and weighs 0.022 kilograms. It is proudly made in the USA, ensuring a high-quality product that is reliable and long-lasting.
For those who are looking for a reliable and secure connection between the carburetor float bowl and the metering block, the ARP 400-0311 Carburetor Float Bowl Bolt with Single Metering Block is the ideal product. It is designed to provide superior performance and longevity, and is backed by the quality and reliability of the USA. With its high-grade steel construction and high-precision threads, this stud kit is sure to provide a snug and secure fit.
6. Rochester 2gc Carburetor For Chevy 350/5.7l & 400/6.6l (1970-1980)
This Alavente 2 Barrel Carburetor is designed for Type Rochester 2GC Chevrolet Chevy Engine Models, 350/5.7L from 1970-1980, 400/6.6L from 1970-1975. It is made of high quality ainc alloy, providing heavy duty metal construction. This product is a great replacement for an old or broken engine carburetor, and can add 5-10% horsepower while maintaining near stock fuel mileage. It can also improve throttle response for better engine performance.
Professional installation is recommended for this product. Before installation, please make sure to clean up the oil channels and air filters, and use clean fuel. The package includes 1x Car Carburetor for Chevrolet Chevy, 1x Mounting Gasket & Seal.
If you encounter any problem with this product, please do not hesitate to contact us. We will be more than happy to help you fix the problem.
7. Motoku Carburetor Rubber Intake Manifold Boot Carb Holder W/clamp For Sportsman 335 400 450 500 Atv
This MOTOKU Carburetor Rubber Intake Manifold Boot Carb Holder w/Clamp is a great addition to any Sportsman ATV. It is compatible with 1999-00 Sportsman 335; 2001-14 Sportsman 400; 2006-07 Sportsman 450 and 1996-00 Sportsman 500 (Non H.O. models); 2000-08 Sportsman 500 6×6, making it perfect for all your Sportsman ATV needs. This part is made with premium materials, so you can rest assured that your ATV will be in good shape and last you a long time.
The MOTOKU Carburetor Rubber Intake Manifold Boot Carb Holder w/Clamp is designed to be easy to install and fit snugly into place. It is made to fit and function perfectly, so you don't have to worry about any kind of air or fuel leakage. Plus, it is built to last and will give you superior performance for a long time. The part is also designed to be resistant to wear and tear, so you can trust it will not have any issues with longevity.
The MOTOKU Carburetor Rubber Intake Manifold Boot Carb Holder w/Clamp is an ideal choice for your Sportsman ATV. With its easy installation and snug fit, you will have no problem getting your ATV running smoothly in no time. Plus, its high quality materials and construction will ensure that it will last you a long time without fail. So if you're looking for a replacement part for your Sportsman ATV, the MOTOKU Carburetor Rubber Intake Manifold Boot Carb Holder w/Clamp is a great choice.
8. Bootop Pin 302 Carburetor For Ford 289 302 351 Cu Jeep Engine F100 F250 F350 W/ Electric Choke & Mounting Gasket
This 2 Barrel Carburetor Carb 2100 Carburetor 2150 Carburetor is compatible with Ford 289 302 351 Cu Jeep Engine F100 F250 F350 with Electric Choke and comes with a mounting gasket. The carburetor is a heavy duty metal construction and is an aftermarket 2-barrel carburetor replacement. It is suitable for Ford Mustang Engine 289 cu in (4.7 L), 302 cu in (5.0 L), 351 cu in (5.8 L) 1968-1973, Ford F100 Engine 289 cu in (4.7 L), 302 cu in (5.0 L), 351 cu in (5.8 L) 1964-1978, Ford F250 Engine 289 cu in (4.7 L), 302 cu in (5.0 L), 351 cu in (5.8 L) 1964-1978, and Jeep Wagoneer SJ Engine 360 cu in (5.9 L) V8 1964-1978.
This carburetor adds more horsepower while maintaining near stock fuel mileage. It is an ideal direct replacement for the old or broken one and must be run with a fuel filter before inlet 1.08 Venturi .049 Jets. It is essential to get professional installation and not to modify the carburetor.
This 2 Barrel Carburetor is also known as 2-Barrel Carburetor, F250 Carburetor, F350 Carburetor, F100 Carburetor, 289 Carburetor, 302 Carburetor, 351 Carburetor, 351 Carburetor 2 barrel, 2100 carburetor, 2150 carburetor, 2100 Carb, 2bbl carburetor, 302 carb, carburetor 2 barrel f100, 2100 A800 carburetor, A800 carburetor, 289 2 barrel carburetor, carburetor for Jeep Wagoneer, Carburetor for Ford 302. It is suitable for 1964-1978 Jeep Wagoneer 360 Cu 5.9L; 1968-1973 Ford Mustang 289 Cu 302 Cu 351 Cu 4.7L 5.0L 5.8L; 1964-1978 Ford 100 289 Cu 302 Cu 351 Cu 4.7L 5.0L 5.8L; 1964-1978 Ford F250 289 Cu 302 Cu 351 Cu 4.7L 5.0L 5.8L; 1964-1979 Ford F350 289 Cu 302 Cu 351 Cu 4.7L 5.0L 5.8L; 1964-1982 Mercury Comet 289 Cu 302 Cu 351 Cu 4.7L 5.0L 5.8L.
9. 2gc Carburetor For Chevy 350-400 (1975-1980)
The Thundermingo 2 Barrel Carburetor is the perfect solution for replacing your Chevy Chevrolet Rochester 2GC Carb Small Block Engines 5.7L 350 6.6L 400 1975-1980 C10 C20 C30 C50 G10 P30 1970-1975 Bel Air Chevelle Corvette. The carburetor comes with a large base, featuring a bolt pattern of 3 11/16 x 2 1/16 inches, as well as a Venturi Size of 1 3/16 and a Throttle Bore Size of 1 11/16.
This product is compatible with 1980-1980 B60, 1970-1975 Bel Air, 1970-1972 Biscayne, 1970-1974 Blazer, 1970-1972 Brookwood, 1975-1980 C10, 1970-1974 C10 Pickup, 1970-1980 C10 Suburban, 1975-1980 C20, 1970-1974 C20 Pickup, 1970-1980 C20 Suburban, 1975-1980 C30, 1970-1974 C30 Pickup, 1970-1980 C50, 1970-1980 C60, 1979-1979 C70, 1970-1980 Camaro, and 1970-1980 Caprice models.
Before you purchase, please make sure that the carburetor you need to replace matches the product. If you have any questions or concerns, you can always contact us for more information. The item comes as shown in the picture, so please check the pictures for more details.
The Thundermingo 2 Barrel Carburetor for Chevy Chevrolet Rochester 2GC Carb Small Block Engines 5.7L 350 6.6L 400 1975-1980 C10 C20 C30 C50 G10 P30 1970-1975 Bel Air Chevelle Corvette is a great solution to replace your existing carburetor. With its large base and various compatible models, you can make sure you have the perfect fit for your car. Don't hesitate to contact us if you have any questions or concerns.
10. Nimtek Yfm400 Carburetor For Yamaha Big Bear 400 Wolverine Kodiak Grizzly 400 Yfm400f Carb 2000-2007
NIMTEK brings you a quality aftermarket carburetor for your Yamaha Big Bear 250 400 Wolverine 350 450 Kodiak 400 450 Grizzly 350 400 450 ATVs from 2000-2006.
This carburetor is a direct replacement for your Yamaha Big Bear 400 YFM 400 YFM400F 2000-2007. Easy installation and fast and direct shipping from US warehouse.
This carburetor is designed to keep your ATV running at peak performance. It is made from high quality material for increased durability, reliability, and performance. It ensures that your engine receives the fuel it needs for maximum power output.
With this carburetor, you can expect to get optimum fuel efficiency and smoother power delivery. The carburetor is designed to be compatible with the stock airbox, air filter and exhaust system, so you won't have to worry about any compatibility issues.
The package includes one carburetor and all necessary mounting hardware. This carburetor is easy to install and requires minimal maintenance, so you can be sure that it will continue to keep your ATV running smoothly for years to come.
For maximum performance, it is best to use NIMTEK's carburetor with a high quality air filter and a well-maintained engine. With this carburetor, you can be sure that you are getting the most out of your Yamaha Big Bear 400 YFM 400 YFM400F 2000-2007 ATV.
Best Carburetor For 400 Small Block FAQs
How do I choose the right size carburetor?
The right size carburetor for your vehicle will depend on several factors, including the engine size, engine modifications, the type of fuel being used, and the environment in which the vehicle is operated. Generally, a larger carburetor is better suited for larger engines, while a smaller carburetor is better for smaller engines. When making modifications to your engine, it is important to research and be aware of how the modifications will affect your carburetor size requirements. The type of fuel being used will also affect the size of carburetor needed, as different fuels may have different oxygen content, requiring different carburetor sizes. Finally, the environment in which the vehicle is operated should be taken into account, as different climates may require different carburetor sizes. By taking all of these factors into consideration, you can ensure you choose the right size carburetor for your vehicle.
How much horsepower will a 600 CFM carb support?
A 600 CFM carburetor can support up to 500 horsepower. This is due to its ability to deliver a large amount of air and fuel to the engine, allowing it to produce more power. The carburetor works by mixing the correct amount of air and fuel in the correct ratio to produce the desired power. The larger the carburetor, the more air and fuel it can mix, resulting in higher horsepower. However, it is important to keep in mind that the engine must be able to properly utilize the extra power provided by the carburetor. If the engine is not up to the task, the carburetor’s extra power will be wasted and could even damage the engine.
How much horsepower will a 650 CFM carb support?
A 650 CFM carburetor is capable of supporting up to 600 horsepower, depending on the type of engine it's installed in. The CFM rating is a measure of the carburetor's airflow, which is one of the main factors that affects engine power output. In general, a higher CFM rating will support more horsepower, but other factors like compression ratio and camshaft specs also play a role. When selecting a carburetor, it's important to match the CFM rating to the engine's power output to ensure the engine runs properly and achieves its maximum performance.
How much HP can a 400 small-block make?
A 400 small-block engine can make between 330 and 375 horsepower, depending on its configuration. The engine's power is determined by the camshaft grind, compression ratio, intake manifold and carburetor size, cylinder heads, exhaust system, and ignition system. All of these components work together to create the most efficient combustion cycle, which ultimately determines the engine's power output. To achieve peak power, a 400 small-block engine should be equipped with the right combination of components and should be tuned properly. With the right setup, it is possible to reach horsepower figures of 375 and even higher.
