Are you looking for the best Holley carb for Chevy 350? Then, you’re in the right place!
The Chevy 350 engine continues to be GM’s most performance-oriented offering in the small-block engine category. Chevy 350 V8, highly prized for its silent operation and sturdiness, powers top-of-the-line vehicles.
Nevertheless, you cannot expect the Chevy 350 installed under your car’s bonnet to go on performing indefinitely.
You may need to replace specific parts in due course of time so that the Chevy 350 continues to operate smoothly. For example, you might want a new carburetor that helps boost acceleration or one that lets you economize on fuel costs.
When choosing the best carburetor for Chevy 350, you can never go wrong with Holley Carburetors. In addition, you can choose from a wide range of Holley Carburetors for out-of-the-box performance.
Top 3 Holley Carburetors for Chevy 350
| Image | Model | Price |
|---|---|---|
| Holley 0-80457 (Top Pick) | Check Price |
 | Holley 0-7448 | Check Price |
 | Holley 0-1850 | Check Price |
Holley 0-804575S 4-Barrel Electric Choke Carburetor (Editor’s Choice)
You can use the Holley 0-804575s 4-Barrel Electric Choke Carburetor with an array of on-road, off-road, and competition vehicles. The secondary vacuum functionality works best with heavy-duty vehicles featuring automatic transmission and engines of vehicles with low horsepower.
The electric choke facilitates a potent carburetion or fuel mix essential for a cold start and a simple drive. In addition, the screw-in air bleeds help in accurate tuning for a wide range of driving styles.
The built-in vacuum ports go a long way in helping with nearly effortless installation.
The glazed aluminum framework of the Holley 0-804575S, 4160 Series carburetor quickly catches your attention. The 600 CFM, 4-barrel carburetor, and the electric choke impart an out-of-the-box performance capacity to the Chevy 350 V8. In addition, the universal calibration system enables your car’s engine to perform just as you wish.
The carburetor’s aluminum construction implies that it is lighter than zinc carburetors, resulting in better performance. On the other hand, it outclasses all zinc carburetor models in terms of durability. In addition, the carburetor has two circuits with a solitary fuel inlet, facilitating rapid bolt-on installation.
The aluminum alloy body comes with a primary jet of 66, the primary pump nozzle size of 31, and the primary power valve of 6.5. The throttle bore of this carburetor outfitted with vacuum secondaries measures 1.563”.
The electric choke helps in a more comfortable and smoother warm-up. In addition, the adjustable seats and needles help in presetting the contraption for adjusting fuel pressure.
The full vacuum and PVC port, single feed fuel inlet, and one-timed port make this carburetor suitable for many Ford and GMC vehicles. This carburetor is the way to go if you want to graduate from a traditional V8 to a modern-day V8 version.
Holley 2300 350 CFM 2-Barrel Manual Choke Carburetor
Opting for the Holley 2300 350 CFM 2-Barrel Manual Choke Carburetor makes good sense if you’re looking for fuel economy. Holley enjoys a high level of goodwill in the market for carburetors, supplying performance-driven 2-barrel and 4-barrel carburetors. As a two-barrel carburetor, the Holley 2300 may not offer levels of acceleration as a four-barrel model.
However, this drawback is more than offset by the Holley 2300 offers unique benefits. When it comes to economizing on fuel, the Holley 2300 wins hands down compared to other similar models. The CFM rating of 350 enables you to save on fuel expenses, even if you’re using a Chevy 350.
Additionally, the low CFM rating implies less carburetion leading to improved torque and ultimately boosting acceleration. As a result, electric chokes tend to be more efficient than their manual counterparts. Nevertheless, the manual choke of Holley 2300 allows you to monitor the heat buildup.
Simultaneously, the manual choke operates smoothly under varying conditions and needs minimal maintenance. Quite significantly, you can easily set up this carburetor, and for that, you don’t need to be a mechanical engineer. The Holley 2300 comes with disposable jets, a universal throttle lever, a float bowl, and a manual choke.
The carburetor also has a 5-1/8 air cleaner flange, high flow venturi, and a power valve. The metallic components of the carburetor ensure lasting performance. In addition, 2300 blends the proper amount of gasoline with air, thus ensuring efficient engine performance.
However, bear in mind that the model does not conform to the fuel emission norms from 1968 and onwards. Hence, this carburetor should be paired with sports and off-road vehicles that do not meet the latest emission norms.
Holley 0-1850sa Aluminum 600 CFM 4-Barrel Street Carburetor
Holley has made vast improvements on its 0-1850sa Aluminum 600 CFM 4-Barrel Street Carburetor. So, you can be assured of a power-packed performance from your Chevy 350 when you pair it with the Holley 0-1850sa. The design and calibration of this 600 CFM 4-barrel carburetor make it an ideal replacement for across-the-board applications.
You can use the Holley 0-1850sa aluminum 4-barrel carburetor with V8 and V6 square flange engines. The carburetor’s aluminum alloy construction makes it at least 40% more lightweight than other similar models. On the other hand, the aluminum body ensures better performance than carburetors manufactured using zinc.
To say last but not least, the aluminum framework has a high aesthetic appeal. Also, the aluminum surface holds onto its sheen for a longer period. So, when you choose the Holley 0-1850sa Aluminum 600 CFM carburetor, your engine does not have to struggle to perform. But, at the same time, the original sheen does not go away in a few years.
The innovative design of this carburetor model implies that you can fit it with various vehicles’ engines. You can easily install the carburetor, thanks to its unique calibration system. In addition, the cable-actuated manual choke offers you reasonable leeway with a cold start.
The installation also becomes more comfortable because of the single-feed fuel inlet. The 600 CFM rating means that you can rev up your vehicle whenever you need to. The aluminum framework makes the carburetor lighter in comparison to carburetors made from zinc.
Is this the best Holley carb for Chevy 350? Well, it’s one of the best.
Bottom Line: What’s the Best Holley Carb for Chevy 350?
So, there you are-we’ve evaluated three of the best carburetor models belonging to the Holley stable. You can opt for the first model (Holley 2300 350 CFM) if you’re looking for fuel economy. Of course, this carburetor comes with other versatile features like a manual choke, power-valve blow-out protection, and a single-feed fuel inlet.
On the other hand, if you wish to turn your outdated Chevy 350 into a more powerful V8 model, you can either go for the Holley 0-1850sa or Holley 0-80457S. Both these carburetors offer 4-barrel functionality, letting you accelerate your car. Additionally, the aluminum body keeps the unit lightweight, boosting the Chevy 350’s performance. Finally, both the manual and electric chokes promote an improved cold start.
Installing all three Holley carburetor models is supremely easy as well, owing to their ergonomic design.
If you still doubt Holley’s carbs even after reading this article, please look at our article about the best Edelbrock carbs for Chevy 350. Those are also pretty good.