EVIL ENERGY 350 CFM Performance 2-barrel Carburetor

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Brand	EVIL ENERGY
Material	aluminum
Barrels	2
CFM	350
Carburetor Flange	2-barrel
Choke Type	Manual control
Secondary Throttle Type	None
Fuel Inlet	Single
Calibration	Main Jets:#61 Accelerator Pump Nozzle:0.025in Idle Feed Restriction, IFR:0.028' – 0.031'in Main Well Restriction:0.031'-0.033'in Accelerator Pump Capacity:30cc
Venturi Diameter	1.21inch
Throttle Bore Diameter	1.5inch
Carburetor Height	3.25in
Condition	New

The Evil Energy 350 CFM 2-Barrel Carburetor is engineered for performance enthusiasts seeking instant throttle response, smooth idle, and reliable high-RPM power. Whether you're upgrading a worn-out unit or building a high-performance street or oval-track car, this 350 CFM 2-Barrel Carburetor delivers precision and strength where it matters most.

Perfect Replacement for Your Factory Carburetor/1:1 Factory Carburetor Reproduction! Crafted with CNC-machined prime alloy, it resists rust and corrosion while maintaining structural integrity over time. The manual choke, 30cc accelerator pump, and calibrated jets ensure an efficient air-fuel mixture and better power delivery even under aggressive throttle.

Recommend 2-barrel electric choke type carburetor :
350 CFM 2-barrel Carburetor

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Key Performance Highlights

Designed for easy installation—just bolt it on and go. This Evil Energy 350 CFM 2-barrel performance carburetor is ideal for high-performance engines, delivering a more precise air-fuel mixture and helping maintain engine stability even at high RPMs.

• Instant Response – Lightning-fast throttle reaction at every RPM
• Plug & Play Installation – Fits OEM manifolds, no tuning required
• Fuel Atomization Efficiency – Improved fuel delivery for smoother combustion
• Idle Smoothness – Stable idle and better cold starts with manual choke
• High-RPM Power – Built for aggressive driving and track performance
• Built to Last – Lightweight, rust-proof alloy, CNC-machined for precision

Application Notes

• Easy bolt-on installation—no complex modifications needed
• Perfect for street use, track cars, muscle car rebuilds, and classic upgrades
  
• Not remanufactured — brand new condition

⚠️ Fitment Restrictions

This 350 CFM 2-barrel carburetor is ideal for high-performance engines, delivering precise fuel delivery and durability for years to come. 

Not allowed on:

• 1966 and newer U.S. manufactured California certified vehicles
• 1968 and newer U.S. manufactured Federal certified vehicles
• 1968 and newer foreign manufactured vehicles
  
• Not fit for boats, not for use on any speed changer

Why Upgrade to EVIL ENERGY Carburetors?

1. 1:1 Factory Carburetor Reproduction for Seamless Replacement

• Original Fitment Headaches: Aftermarket carburetors often require modifications to match factory manifolds, linkage, or engine bays, leading to installation delays and compatibility issues.
• EVIL ENERGY Advantage: Our 350 CFM 2-barrel carburetor is a 1:1 reproduction of factory specifications, ensuring direct bolt-on replacement with no need for adjustments. It fits OEM manifolds perfectly, eliminating the hassle of custom modifications—ideal for restoring classic cars or replacing worn factory units.

2. Brand-New Quality vs. Risky Remanufactured Parts

• Remanufactured Shortcomings: Rebuilt carburetors often reuse worn components (e.g., valves, gaskets) that hide fatigue, leading to premature leaks, inconsistent fuel delivery, or sudden failure.
• EVIL ENERGY Assurance: 100% new construction with no recycled parts ensures reliable performance from day one. Every component—from jets to chokes—is fresh, avoiding the hidden risks of remanufactured units.

3. Precision Engineering for Enhanced Performance

• Generic Carb Limitations: Budget carburetors lack calibrated tuning, causing rough idle, delayed throttle response, or inefficient fuel atomization—especially at high RPM.
• EVIL ENERGY Edge:
  ✓ Pre-calibrated with #61 main jets, 0.025" accelerator pump nozzle, and optimized IFR settings for precise air-fuel mixture
  ✓ 30cc accelerator pump delivers instant fuel on demand for lightning-fast throttle reaction
  ✓ 1.21" venturi and 1.5" throttle bore enhance high-RPM stability and power delivery

4. Durable Construction for Long-Term Reliability

• Cheap Material Failures: Low-grade carburetors corrode easily, warp under heat, or crack under vibration—common in harsh driving conditions.
• EVIL ENERGY Solution: Crafted from CNC-machined prime alloy, our 350 CFM 2-barrel carburetor resists rust, corrosion, and heat-induced warping. Its lightweight yet strong build ensures structural integrity even in aggressive driving or track use.

5. Hassle-Free Installation for All Enthusiasts

• Complex Upgrade Barriers: Many performance carburetors require professional tuning, specialized tools, or linkage modifications—raising costs and delaying project completion.
• EVIL ENERGY Fix: Plug-and-play design with bolt-on installation means no professional help is needed. It fits OEM manifolds, works with factory linkages, and requires zero tuning out of the box—perfect for DIYers and weekend builders.

❓ FAQs About EVIL ENERGY 350 CFM 2-Barrel Carburetor

Q1: What CFM carb do I need for a 350?
A: For a standard small-block Chevy 350 engine, a 350–600 CFM carburetor is typically ideal, depending on cam, compression, and RPM range. The Evil Energy 350 CFM 2-barrel carburetor offers precise fuel delivery for street use and light performance builds under 5,500 RPM.

Q2: How does this carburetor compare to Holley's 350 CFM 2-barrel carburetor?
A: EVIL ENERGY offers equivalent performance to Holley's 350 CFM 2-barrel model—both deliver 350 CFM airflow, 2-barrel flanges, and reliable fuel metering. The key difference is value: Our carburetor costs half the price of Holley's, while being 100% new (no remanufactured components) to avoid hidden wear issues common in rebuilt units.

Q3: What does '1:1 Factory Carburetor Reproduction' mean for my vehicle?
A: It means our 350 CFM 2-barrel carburetor matches the exact dimensions, flange pattern, linkage points, and performance characteristics of your vehicle's original factory carburetor. This ensures direct bolt-on installation with no need to modify manifolds, linkages, or fuel lines—ideal for restoring classic cars to factory specs or replacing a worn OEM unit seamlessly.

Q4: Can you have too much CFM on a carburetor?
A: Yes. Too much CFM can lead to poor throttle response, reduced low-end torque, and inefficient combustion. Always match carb CFM to your engine's airflow demands. A 350 CFM carburetor is ideal for smaller V8s or street setups where crisp throttle and idle stability are key.

Q5: How do I choose the right CFM for my carburetor?
A: Use this formula: CFM=(CIDxRPMxVE)/3456
For a 350 engine at 5,000 RPM with 85% volumetric efficiency, the result is around 430 CFM, meaning a 350–450 CFM carburetor is suitable for street and oval use.

Q6:The 350 CFM 2-barrel Carburetor Suitable for which engines？
A: The carburetor it perfect for small to mid-sized engines, including 4-cylinders, inline-6s, and small-block V8s. It's ideal for street cars, muscle car rebuilds, and oval-track vehicles requiring balanced airflow and responsive throttle.

Q7: Is the Evil Energy 350 CFM 2-barrel carburetor good for racing?
A: Yes—for oval track, bracket racing, and street/strip builds under 300 HP, this carburetor delivers responsive throttle, smooth idle, and stable top-end performance.

Q8: Will this 2-barrel carburetor improve throttle response?
A: Absolutely. With a 30cc accelerator pump, manual choke, and precision machining, this carb offers instant response and better off-the-line acceleration compared to worn or oversized units.

Q9: Can I use this 2-barrel carburetor with an automatic transmission?
A: Yes. The Evil Energy 350 CFM 2-barrel Carburetor is compatible with A/T kickdown linkages for GM, Ford, and Chrysler, making it a great upgrade for daily drivers and classic builds.

Q10: How Does a Carburetor Work?

Not sure how a carburetor actually functions? Understanding the basics helps you make the right upgrade.

A carburetor mixes air and fuel in the right ratio before it enters your engine's combustion chamber. When you press the gas pedal, a throttle valve opens inside the carb, allowing more air to flow through. At the same time, the venturi effect draws in fuel from the jets, atomizing it into a fine mist for clean, powerful combustion.

The Evil Energy 350 CFM 2-barrel carburetor uses this principle—paired with modern CNC precision and calibrated fuel circuits—to give you better throttle response, idle control, and engine power.

👉 Learn More: How Does a Carburetor Work?