EVIL ENERGY Performance 500 CFM 4-barrel Carburetor Mechanical Secondary

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Brand	EVIL ENERGY
Material	Aluminum
Barrels	4
CFM	500
Carburetor Flange	Square bore
Choke Type	Manual
Secondary Throttle Type	Mechanical
Fuel Inlet	Single
Calibration	Main Jets:#86 Secondary Jets:#95 Accelerator Pump Nozzle:0.028 inch Metering Rods:0.065'x 0.052' inch Power Valve :5.0Hg
Venturi Diameter	1.19 inch
Throttle Bore Diameter	Primary throttle Bore: 1.44 inch Secondary throttle Diameter: 1.69 inch
Carburetor Height	3.25 inch
Condition	New

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The EVIL ENERGY 500 CFM 4-Barrel Carburetor is a high-value alternative to the Edelbrock 1404, offering comparable performance at a significantly lower price. Designed for classic V8 engines ranging from 305 to 390 cubic inches, it provides reliable power delivery and smooth drivability for both restoration projects and performance builds.

This 4-barrel carburetor is ideal for small-block applications such as the Ford F-250 (390ci) or the Chevrolet LG4 (305ci). It comes pre-calibrated with #86 primary jets and #95 secondaries, delivering consistent airflow and throttle response for everyday driving or light performance use.

Key specifications

• 500 CFM airflow for optimized fuel delivery on small-block V8s
• Square-bore 4-barrel configuration for easy bolt-on compatibility
• Mechanical secondaries for responsive acceleration
• Manual choke for cold-start control and tuning flexibility
• Compact 3.25-inch height to fit tight engine compartments
• Suitable for classic sedans, trucks, and muscle cars

Description

This 500 CFM 4-barrel carburetor is engineered for consistency, durability, and easy tuning. Unlike traditional designs, it's unaffected by engine backfires—there are no power valves to blow out, and the metering rods can be swapped in seconds without removing the carburetor or draining fuel.

Once tuned, the carburetor 'holds a tune', meaning your calibration stays locked in for consistent long-term performance—no frequent readjustments needed. Compared to conventional carburetors, this design offers superior stability under varying conditions.

The lightweight all-aluminum, two-piece body resists warping and is compatible with gasohol and blended fuels, offering long-lasting reliability. Simple tub-style float bowls, rear-pivot floats, and a clean layout make it extremely user-friendly and easy to service, ideal for both daily use and mild performance setups.

Installation is simple—just bolt it on with no special tools required. This carburetor is compatible with the Edelbrock 2114 intake manifold, and works well in:

• 1975 Ford F-250 with a 390ci V8 and manual transmission
• Chevy LG4 305ci small-block engines
• Mild-performance builds, dual four-wheel drive setups, and small-CID street trucks

⚠️ APPLICATION RESTRICTIONS:

• Not Fit for boats, not for Ford automatic transmissions that require kickdown
  
• This carburetor is not compatible with supercharged systems. Supercharged applications require a straight-through carburetor.
  
• When used with the original Chevrolet 305 Quadrajet intake manifold, adapter 2696 is required.

FAQs – EVIL ENERGY 500 CFM 4-barrel Carburetor

Q1: Will this carburetor fit my engine?
A1: This carburetor is compatible with engines using a square bore flange and supports mild performance applications. It's suitable for vehicles like the 1975 Ford F-250 with a 390ci engine and 305ci LG4 small-block Chevrolet engines. Always check your intake manifold (e.g., 2114 intake) and mounting specs for confirmation.

Q2: Is this carburetor easy to install?
A2: Yes, the carburetor is designed for plug-and-play convenience. It fits most OEM manifolds and comes with the necessary installation hardware—no special tools or tuning required out of the box.

Q3: What is the CFM rating, and what does it mean?
A3: This model delivers 500 CFM (Cubic Feet per Minute), ideal for small to mid-size displacement engines needing moderate airflow. It supports great throttle response and stable fuel-air mixing at high RPMs.

Q4: Does it come pre-jetted?
A4: Yes, it includes #86 main jets and a 0.028inch accelerator pump nozzle, providing a balanced fuel delivery setup. You can easily change the rods and jets if fine-tuning is desired—no fuel draining or removal required.

Q5: Is this carburetor resistant to backfires?
A5: Absolutely. The design is unaffected by engine backfires, which means there are no power valves to blow out, reducing the risk of failure and extending the product's life.

Q6: What kind of fuel is this carburetor compatible with?
A6: The all-aluminum body is resistant to warping and compatible with gasohol and blended fuels, ensuring broad fuel compatibility.

Q7: Can I use this on a high-performance or racing engine?
A7: While it's designed primarily for mild performance builds, the carburetor provides improved throttle response, fuel atomization efficiency, and high-RPM power—making it a great option for tuned street builds and weekend performance use.