EVIL ENERGY 750 CFM Performance 4-Barrel Carburetor Mechanical Secondary

Product Details

The EVIL ENERGY 750 CFM 4 Barrel Carburetor is engineered for high-RPM performance engines demanding instant throttle response, fuel atomization efficiency, and precise air-fuel control. This 750 CFM 4 Barrel Carburetor features an electric choke, mechanical secondaries, and dual fuel inlets, delivering explosive acceleration and consistent power at every RPM range.

Key Features

• Instant Throttle Response – Optimized venturi (1.38") and jetting (#74/#80) promote crisp throttle input and smoother transitions.
• High-RPM Power Output – Tuned for peak airflow delivery with 750 CFM capacity, ideal for street/strip builds.
• CNC Machined Precision – Built from prime alloy materials with corrosion-resistant finish and tight tolerances.
• Easy Bolt-On Fitment – Direct replacement for square bore manifolds; no tuning required for initial setup.
• Idle Smoothness – Enhanced fuel atomization improves combustion quality and idle performance.
• Electric Choke & Dual Fuel Inlets – Plug-and-play convenience with reliable cold-start control.

Professional-Grade Design

Built to outperform OEM units, this EVIL ENERGY carburetor boasts a robust structure resistant to rust and corrosion. Whether replacing a faulty carb or upgrading your classic hot rod, this EVIL ENERGY 4-barrel carburetor is your gateway to unleashing raw engine potential.

⚠️ APPLICATION RESTRICTIONS:

Not Fit for boats,fuel inlet thread is 7/8-20in

The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

• 1965 and older U.S. manufactured California Certified vehicles
• 1967 and older U.S. manufactured Federally Certified vehicles
• 1967 and older Foreign manufactured vehicle

The following vehicles are considered Emissions Controlled Vehicles:

• 1966 and newer U.S. manufactured California Certified vehicles
• 1968 and newer U.S. manufactured Federally Certified vehicles
• 1968 and newer Foreign manufactured vehicle

Why Choose EVIL ENERGY Carburetor?

Performance You Can Feel

From crisp throttle response to high-RPM stability, the EVIL ENERGY 750 CFM 4 barrel carburetor is built for real performance. Whether you're cruising the street or pushing redline, our carb delivers uncompromising power and control.

Engineered for Ease

No tuning? No problem. Every EVIL ENERGY carburetor comes pre-calibrated with precision-matched jets, electric choke, and easy bolt-on fitment—perfect for DIYers and pros alike.

Superior Craftsmanship

Crafted with high-grade aluminum alloy and CNC-machined for exact tolerances, our 4-barrel carburetors resist rust, warping, and wear—even under heat and vibration.

Trusted by Builders

Proven in the field by thousands of performance tuners, our carburetors are a go-to choice for those upgrading their classic muscle car, hot rod, or off-road rig.

Unleash Hidden Horsepower

Swap out that rusty, clogged OEM carb for a modern upgrade. EVIL ENERGY lets your engine breathe right—unlocking untapped power, cleaner idle, and better throttle feel.

FAQs

Q1: How much horsepower does a 750 CFM carburetor support?
A1: A properly tuned 750 CFM 4 barrel carburetor can typically support up to 450–500 horsepower, depending on your engine’s displacement, cam profile, and overall setup. The EVIL ENERGY 750 CFM carburetor is designed for high-performance builds that demand serious airflow.

Q2: What does 750 CFM mean on a carburetor?
A2: CFM stands for Cubic Feet per Minute—it measures the amount of air the carburetor can flow. A 750 CFM carb delivers 750 cubic feet of air per minute, ideal for mid to large displacement V8 engines that operate at higher RPMs.

Q3: Will a 4 barrel carburetor increase horsepower?
A3: Yes, upgrading to a 4 barrel carburetor—especially a performance unit like the EVIL ENERGY Carburetor—can significantly improve horsepower by increasing air-fuel delivery and throttle response, especially in high-revving engines.

Q4: What is the best 750 CFM carburetor for street and strip use?
A4: The EVIL ENERGY 750 CFM 4 barrel carburetor offers electric choke, mechanical secondaries, CNC-machined body, and dual fuel inlets, making it a top choice for enthusiasts seeking street drivability with race-ready power.

Q5: Can you put a 750 CFM carburetor on a stock 350 engine?
A5: Yes, but it depends on your engine build. A stock 350 small block may be over-carbureted with 750 CFM, but with headers, performance cam, and a high-flow intake, the EVIL ENERGY 750 CFM carb will shine.

Q6: How do I know if I need a 750 CFM carburetor?
A6: Use this formula: Engine CID × Max RPM ÷ 3456 = Required CFM. If the result is near 750, you're a great candidate. If you're unsure, the EVIL ENERGY team offers fitment advice for custom builds.

Q7: Is a vacuum or mechanical secondary better for performance?
A7: For aggressive builds or racing, mechanical secondaries—like those in the EVIL ENERGY 750 CFM carburetor—deliver instant throttle response and better wide-open performance.

Q8: Can I install the EVIL ENERGY carburetor myself?
A8: Yes! Our carburetors are designed for plug-and-play installation. Bolt it on, connect the linkage and fuel lines, and you're good to go—no tuning required in most setups.

Q9: Does the EVIL ENERGY 750 CFM carburetor fit Ford AOD transmissions?
A9: Absolutely. This carb is compatible with Ford AOD transmission linkages, making it a perfect fit for many Ford small-block applications.

Q10: What’s the difference between 600 CFM and 750 CFM carbs?
A10: A 600 CFM carburetor suits small to mid-size engines, while a 750 CFM carb is better for high-performance or large displacement engines that require greater airflow at higher RPMs.