Driving your vehicle is not the only thing that you should be doing. You must maintain it regularly to provide you with the desired performance you want every time you ride on it.
If you neglect taking care of your engine components, they will start to malfunction quickly. Changing the carburetor is vital if you do not want to face fuel efficiency being miserable.
This is why you must know about the best carburetor for Chevy 350, so you can make a noticeable difference. With the help of this article, you will be able to choose the reliable carb by looking into the detailed features.
Make sure to read it all the way, as there will be a buying guide to help you understand better.
7 Top Best Chevy 350 (Holly & Edelbrock) Performance Carburetors Comparisons
1. Edelbrock 1406 Performer 600 CFM Electric Choke Carburetor
Starting with the first product in this list, the Edelbrock 1406 Performer 600 CFM Electric Choke Carburetor is mainly formulated and calibrated so it can work to provide the outstanding marine performance that you want from your engine.
The appearance of this product is made out of high-quality shiny silver for finishing and calibrated for gasoline. This product has a single feed fuel inlet, including the air valve, a secondary type material.
The great thing about this product is that it can handle the rigors of daily driving, so it can provide excellent and reliable performance every time you go for a drive in your vehicle.
There are various incredible characteristics of this product that make it the most efficient and reliable. The main thing that makes it stand out more is the metering rods of this product that can be utilized to transition in the middle of the circuits.
Another great thing about this product is that this carburetor will not negatively affect your engine backfires. Moreover, this means that the energy valves will not blow out, and you can change the rods within seconds or so without having to remove the carburetor and by draining the fuel at all.
In addition to that, this product can hold a tune even if it is done just once. Keep in mind that this product does not have gaskets below the fuel bowl level for occasional leaks. It also does not have plastic parts and power valves that are to blow out.
Besides that, This product also has both timed and full vacuum ports that can be used for ignition improvement. Furthermore, this carburetor can be effortlessly altered metering rods so you can have a precise tuning process on them.
For your information, the Edelbrock Company will cover the replacement and repair of the product if required but will not cover the cost of disposal and the installation process.
- Great performance
- Provides excellent throttle response
- Enhances the engine performance
- Great gas mileage
- Missing parts
- Defective product
- It might not fit accurately
Overall, this is a great operating product that will guarantee to enhance your vehicle’s performance as it will provide power to your engine and the fuel economy. However, make sure you are buying from a reliable source since various people had issues regarding this product.
2. Southwest Speed Holley Street Demon Carburetor
Here you have the Southwest Speed Holley Street Demon Carburetor that comes with an electric choke and vacuum secondaries that are part number 1900, and it is a gasoline-only carb.
To start, this product contains a ball-polished, high-quality shiny aluminum finish, which will make sure not to rust so quickly. You should remember that this product is mainly manufactured to be utilized on most stock and mildly modified V8 engines.
In addition to that, the patented timeless design makes it easily fit modern but also the traditional vehicles models. The patent number is US D648, 749 A. Make sure to match this information with your engine to purchase it. The Holley 625 CFM has a one-piece air horn that can be cleaned and maintained easily if you do it regularly.
Besides that, the great thing about this product is that with the dual mounting bolt pattern, you can make some aftermarket spread fit effortlessly without the adapter. Another amazing thing about this product is that it consists of an integrated fuel bowl with the main body layout and the gasket above the fuel level.
Plus no plugged passages, so that it will exclude all types of possible leak paths. Other than that, with this product, you can also increase the throttle response of your vehicles.
This can be done with proven triple stack boosters and with 1 – ⅜ inches primary throttle bores. This amazing feature will increase the throttle response and provide fuel atomization and better fuel economy so you can have a smooth driving experience.
Furthermore, the GVS makes the airflow much better with the 625 CFM while strengthening the throttle response. As for the 2 stage metering rods control, you can access it without having to eliminate or disband the carburetor at all.
If you plan to install it on your own, it can be done extremely easily with a single fuel inlet. On an important note, this product can be used for adjusting tuning. It is also convenient to be used for 4L60 and also 4L80 transmissions.
- Syncs easily with the engine
- Works incredibly on the old truck
- Excellent throttle response
- Increase the efficiency of fuel economy
- The gasket might leak quickly
- Missing parts
- It will not fit some engines
The Holley 625 consists of outstanding features that make sure to provide amazing services so you can have a strong and reliable engine. Just make sure to check on it since the common problem with this product is the gasket leak, which can ruin the engine.
3. Auto Parts Prodigy Carburetor
This is a new auto parts prodigy carburetor that you can operate on your Chevy 350 engine easily.
This Auto Parts Prodigy Carburetor can increase horsepower and the fuel mileage of your vehicle. You have to replace the old or the broken one with this new and efficient one for noticeable performance changes.
This product is constructed with heavy-duty metal to ensure that it will not wear out or rust quickly. This product has a large base that has bolt pattern 3.
The measurements of this base are about 11/ 16 x 2 ⅙ inches. Make sure to check these measurements and match them with your engine and vehicle to be sure that it fits well.
On another note, this time also includes one of the car carburetors that can be used for Chevrolet mounting gasket and seal. It also includes one mounting gasket fuel filter pre-installed, so you do not have to.
As I have mentioned earlier, check the measurements of this product before you install it because, in various cases, you might need an adapter plate to make sure that it fits perfectly.
To make things easier for you, this item can easily fit the Chevrolet engine models such as the 350/ 5.7 liters from 1970 up to 1980 models and the 400/ 6.6 liters from 1970 up to 1975 models.
Make sure that your vehicle matches the product description, so you do not end up spending your money on something that does not even fit.
Besides all that, this product is made out of durable aluminum And zinc alloy, Which makes it withstand high heat temperatures, pressure, corrosion, acid, and alkali substances.
You will also be happy to know that many technicians have tested this product, and it has been examined multiple times to ensure low defective rates.
- Easy to install
- Will start functioning quickly
- Fits perfectly
- Poor float capabilities
- Might leak air
- Missing parts
This product has unique features that make it stand out more than its competitors. If you want to increase efficiency, then this product is a must-have.
However, the most common issue with this product is the poor float performance which can be quite dangerous. This is something the company should work on immediately.
4. Edelbrock 1405 Performer 600 CFM Chock New Carburetor
The Edelbrock 1405 Performer 600 CFM Chock New Carburetor is another great product for you to get excellent performance.
The product has been tuned perfectly and is also made out of high-class material that can handle the rigors of the road when you drive daily. It is stated that this product is extremely efficient and 100% reliable when it comes to performance, so you will notice a change every day when you drive your vehicle.
You will be happy to know that there are no gaskets below the fuel bowl level so which indicates that there will be fewer leaks. In addition to that, there are also no plastic parts and power valves that will blow out easily.
Furthermore, this carburetor also consists of both timed and full vacuum ports so you can have excellent and advanced ignition while you drive on the road.
The great thing about this item is that you can easily differ in metering rods to have detailed tuning. Besides all that, this product is mainly manufactured for high-quality performance that can be noticed on the small blocks and some big-block engines.
Ensure that your vehicle matches this description to get the best out of this product. It is worth mentioning that this product can also include an electric choke, but only if it is required.
Other than that, this product comes with metering jets, both primary which is .100 degrees, and secondary, which is .095 degrees. It also includes metering rods and a step-up spring, about .070 x .047. Make sure that you use their carb studs that are included but only if they are required.
This product also approves old model water neck, air conditioning, alternator, and HEI equipment. It also has the latest technology in dual-plane high rise design, and it cannot be equipped with EGR.
On a side note, keep in mind that this item will not fit the stock corvette hood. This product also does not have requirements for exhaust heated chokes.
- Easy to install
- Provides extra power
- It comes tuned in perfectly
- Improves the fuel economy
- Missing parts
- Fails to perform after some time
- Defective product
There you have it, another great product that will surely increase the efficiency of your engine and the fuel economy so you can have a better and smooth ride on your vehicle every time.
Keep in mind that there have been some complaints saying it might fail to work after a couple of times. This is something manufacturing companies take a look at by testing and fixing the issue.
5. Jet 35002 Rochester Quadrajet Stage 2 Carburetor
The Jet 35002 Rochester Quadrajet Stage 2 Carburetor can offer all the great features of stage 1 Q – Jet. It will also offer and assure you an enhanced idle quality as well as instant throttle response so you can enjoy an excellent performance every time you ride your vehicle.
The greatest and most attractive thing about this product is that it will assure you with the maximum torque as well as increased horsepower so you can have a smooth ride and a long drive. This jet carburetor also consists of increased speed circuits that include four barrels.
Another outstanding thing about this product is that it also has a dual-plane aluminum intake, so it is quite durable and makes it stand out even more. The process of installing this product is quite easy even if you plan on doing it on your own and can be utilized skillfully as well.
Do keep in mind that this product has a warning for cancer and reproductive harm. It is also stated that this product is quite harmful since it contains harmful chemicals that you should be careful about.
- Solves problems right away
- Smooth vacant and transition
- No need for adjustments
- High performance
- Might leak easily
- No refund policy
- It might be difficult to start
With that being said, it is also a considerable choice for your engine since it will most certainly make the performance better so you can have an enjoyable experience. Make sure to check it regularly, though, since there have been some leakage issues with this product.
6. Holley Aluminum 600 CFM Four Barrel Street Carburetor
Coming to this sixth product in this list is Holley Aluminum 600 CFM Four Barrel Street Carburetor that assures you to provide excellent performance for the stock as well as mildly modified V 8 engines.
The great aspect about this product is that it can provide you with the most desirable performance right out of the box and will not require any adjustments to be made. You will only need to install it accurately, and that can be done quickly with the help of the instruction manual provided with this product.
Just make sure to read everything before starting the process and also do a thorough check for every component, so you know that you have everything that is required that needs to be established. Moving on, it is stated that this is a factory preset electric choke which means that it will make things easier for you to start.
Besides all that, with the help of a secondary vacuum, you can use this product on various types of vehicles with ease since it can be utilized effortlessly.
You will be happy to know that there will not only be an instruction manual but a proper guide pdf provided to make things easier for you, and you can contact them if there is any help needed.
- High-quality product
- Adjusts accurately
- Good throttle response
- The reliable rate is high
- Can create a hazardous situation
- It might start to flood
- Used or broken parts
Now you know the features of this product, you can see how reliable it is and is also able to increase the performance of your vehicle. You will surely enjoy using this product.
Just make sure to maintain this product regularly to see changes and prevent it from wearing out or causing serious situations for you, as it happened with some users.
7. Holley 4160 600 CFM Universal Polished Carburetor
This is the last product on this list and another outstanding product. The Holley 4160 600 CFM Universal Polished Carburetor will make sure to fit in your vehicle effortlessly.
The unique thing about this product is that it has a gold dichromate finish that will mainly prevent corrosion, dirt, or any other kind of particles from forming on it and ruining its performance.
Just make sure that you are keeping a regular check on it and also cleaning it so you can have the optimum accomplishment. This product can be utilized for stock all the way to mildly amended vehicles.
Just match your vehicle with the description, so you do not face problems using it. This product, however, will guarantee to upgrade the performance of the Chevy 350 so you can have a worthwhile experience.
Moving on, this item is a manual choke which means that it is cable-actuated. This product can be controlled by using a remote. This is to ensure that you can have detailed cold beginning control.
Another important piece of information is that this item consists of vacuum secondaries which make it stand out even more since this feature makes it easy for you to use it on a broad mixture of vehicles effortlessly.
This is something that you should know about since it is really valuable. It is stated products that are designed using electric plugs can be utilized easily in the US.
It is because the outlets, as well as the voltages, might be unique in different places, especially internationally. In that case, you might need an adapter or a converter so you can use it comfortably at the place you reside.
Another important factor is that before you buy this product; make sure to check the compatibility so you do not end up with a product that might not function as you imagined it.
- It is 100% wet flow tested
- The best selling carburetor
- Extra protection
- Increases the performance
- Missing parts
- Broken or used product
Now that you know all the characteristics of this product, you can notice how great it is in providing excellent performance. It is also designed to protect the engine and has been tested as well. However, make sure to check the product thoroughly before installing it since there have been various issues with it.
What Kind Of Carburetor Should I Get For A Chevy 350?
It is highly recommended to use a 600 CFM for Chevy 350. However, if you begin weaving in strength, such as a hotter cam and a dual-plane performance intake manifold or the aluminum heads, then it is best to use 700 up to 750 CFM.
How Much HP Does A Holley Carb Add To My Chevy 350 Engine?
The Holley carb can add horsepower. It has been tested that the average amount it can increase is by 12 – lb-ft and also 10 hp. It is also stated that a Holley carb can increase the horsepower from about 350 up to 375 HP.
How Much Horsepower Will A 750 CFM Carb Support?
According to the data provided by the performanceimprovement.com site, a 750 CFM carb can support up to 477.15 horsepower. It also has a VAC Manifold, which is about 1.5. Make sure to check these measurements since it matters before buying a carburetor.
How Do I Get More Power Out Of My 350 Carburetor?
There are various ways you can increase the power of your 350 carburetor. One of the tricks that you can try is modifying your carburetor’s air intake.
You can also modify the exhaust system, try changing the camshafts and the cable train, upgrading the cylinder heads by buying new ones, or getting it ported or polished. And lastly, try to refurbish your motor and get it to a blueprint.
To conclude, I hope now you can specify which is the best carb for Chevy 350. Although these are unique and great products that will work effectively on your Chevy 350.
I would still highly recommend the Edelbrock 1406 Performer 600 CFM Electric Choke Carburetor since it will certainly increase the engine performance, throttle response as well as fuel mileage.
Just to be sure, you are looking into all of these features and doing more research before buying as you would want fittings to be perfect.
Hi there! I am Tahir Azam, and this is my blog. WVDOT Automotive is a website dedicated to creating high-quality content for car enthusiasts. I am also an avid car driver. I own and drive a Porsche for my daily tasks. It is the perfect vehicle for my family. I am a proud father of two boys. I spend my mornings and evenings catering to clients at my very own software hub. After getting home, I dedicate a few hours of my time to create an article every day. Well, this is a short introduction about me and I am also a publisher on Amazon. I hope you enjoy reading through my articles, and I also hope that I may have helped you choose an upgrade for your vehicle.