EVIL ENERGY Small Block Chevy Vortec Dual Plane Intake Manifold

EVIL ENERGY Small Block Chevy Vortec Dual Plane Intake Manifold

The EVIL ENERGY SBC Vortec intake manifold is designed for compatible 262-400 cid Chevy V8 engines using 1996 and later Vortec L31 cast iron cylinder heads. This Small Block Chevy intake manifold uses a dual plane carburetor layout with a listed 2,000-4,800 RPM operating range, making it a practical option for street cruising, Vortec head upgrades, carburetor swaps, and budget-focused SBC performance refresh builds.

For builders working with Vortec cylinder heads, this Vortec intake manifold helps replace factory-style intake hardware with a cast aluminum carburetor-ready design. It is intended for compatible SBC applications where cylinder head style, intake bolt pattern, water crossover design, carburetor setup, and hood clearance are confirmed before installation.

Important: This manifold is designed for 1996+ Vortec L31 cast iron cylinder heads. Always verify cylinder head type, intake bolt pattern, EGR requirement, carburetor mounting pattern, water bypass needs, hood clearance, gasket compatibility, and accessory clearance before ordering.

Vehicle and Engine Fitment

This Small Block Chevy Vortec intake manifold is designed for 262-400 cid Chevy V8 engines using 1996+ Vortec L31 cast iron heads. Common Vortec-era reference applications include Chevrolet Silverado 1500, GMC Sierra 1500, Chevrolet Tahoe, GMC Yukon, Chevrolet Suburban, GMC Yukon XL, Chevrolet Express Van, GMC Savana Van, and compatible SBC swap or refresh projects.

Vehicle names are provided as reference examples only. Final fitment can change with engine swaps, cylinder head changes, carburetor selection, EGR requirements, throttle linkage, air cleaner height, brake booster clearance, accessory brackets, and hood clearance. This manifold will not fit under a stock Corvette hood, so clearance should be checked before installation.

Key Features - EVIL ENERGY SBC Vortec Intake Manifold

• Vortec L31 Cylinder Head Compatibility: Designed for compatible 262-400 cid Chevy V8 engines using 1996 and later Vortec L31 cast iron cylinder heads.
• Dual Plane Carburetor Layout: The dual plane intake design supports street-focused throttle response, vacuum signal, and low-to-mid RPM drivability for carbureted SBC builds.
• 2,000-4,800 RPM Operating Range: Built around the RPM window commonly used in street driving, cruising, throttle roll-ons, and moderate performance use.
• Cast Aluminum Construction: The cast aluminum body provides a durable intake platform for Vortec head upgrades and Small Block Chevy carburetor intake manifold swaps.
• Water Crossover Feature: Includes an external water bypass boss machined into the front of the water crossover for 1996 and later Vortec production engine layouts.
• Street and Budget Build Friendly: Suitable for compatible SBC projects where the goal is a carburetor-ready Vortec intake upgrade for cruising, light truck builds, and weekend performance use.

Package Contents and Installation Checklist

Before Installation, Check These Items

• Confirm that your engine uses compatible 1996+ Vortec L31 cast iron cylinder heads.
• Verify intake bolt pattern, port alignment, gasket style, and water crossover requirements.
• Confirm whether your vehicle requires EGR. This manifold is intended for non-EGR applications where applicable.
• Check carburetor mounting pattern, throttle linkage, throttle cable bracket, fuel line routing, vacuum ports, and PCV routing.
• Check hood clearance, air cleaner height, brake booster clearance, distributor clearance, and accessory bracket clearance.
• This manifold will not fit under a stock Corvette hood.
• Use suitable intake gaskets and follow the proper torque sequence during installation.

Why Choose This Vortec Intake Manifold?

This SBC Vortec dual plane intake manifold is a practical choice for builders who want a carburetor-ready upgrade for compatible Small Block Chevy engines with 1996+ Vortec L31 heads. For many street and light truck SBC builds, throttle response, vacuum signal, cruising torque, and mid-range drivability matter more than peak high-RPM output.

For Chevrolet Silverado, GMC Sierra, Tahoe, Yukon, Suburban, Express, Savana, or SBC-swapped projects using compatible Vortec heads, this EVIL ENERGY Vortec intake manifold provides a street-focused intake solution for carbureted builds. Final results depend on the full engine combination, carburetor size, camshaft, exhaust, ignition timing, fuel system, and installation quality.

FAQ

Q: What engines does this SBC Vortec intake manifold fit?
A: This intake manifold is designed for compatible 262-400 cid Chevy V8 engines using 1996 and later Vortec L31 cast iron cylinder heads. Always confirm cylinder head type, bolt pattern, and gasket compatibility before ordering.

Q: Is this for regular Small Block Chevy heads or Vortec heads?
A: This is a Vortec intake manifold for 1996+ Vortec L31 cast iron cylinder heads. It is not intended for every older non-Vortec SBC cylinder head combination.

Q: Will this fit a 350 Vortec engine?
A: It is listed for compatible 350-based Vortec applications using 1996+ L31 cast iron heads. Final fitment depends on the cylinder heads, carburetor setup, EGR requirement, gasket style, and available clearance.

Q: Is this a carburetor intake manifold?
A: Yes. This is a dual plane carburetor intake manifold for compatible Small Block Chevy Vortec applications.

Q: What RPM range is this manifold designed for?
A: The listed operating range is 2,000-4,800 RPM, making it suitable for street-focused low-to-mid RPM response and cruising drivability.

Q: Will this fit under a stock Corvette hood?
A: No. The product notes state that this manifold will not fit under a stock Corvette hood. Always check hood and air cleaner clearance before installation.

Q: What should I check before buying?
A: Check cylinder head type, intake bolt pattern, Vortec L31 compatibility, EGR requirement, carburetor mounting pattern, water bypass needs, throttle linkage, hood clearance, and installation hardware before ordering.

Brand Summary

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2. Wrong Item Ordered: Buyer covers return shipping; email within 30 days.
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Effective from August 25, 2024. Price drops within 7 days of purchase can be claimed.

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