MANIFOLDS - Chevrolet - Victor - Big Block Spread Port
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Big Victor Spread-Port
(3500-8500 rpm)
Designed for large cubic-inch or high rpm drag racing big-blocks with Dart Big Chief or Brodix Big Duke cylinder heads, these manifolds have an average runner area of approximately 4.75 sq.in. The port exits have .090" per side reduction to accommodate the wide variety of intake port sizes and require port matching to the head being used. The runners have a minimum corner radius of .500" from the plenum to the exit allowing the popular oval port shape to be used. The outside runners are shorter and straighter than competitor's manifolds and the plenum is longer front to back. These features, combined with approximately 5% taper in runner cross-sectional area, give better top end horsepower while maintaining consistency and throttle response off the stop.
Applications Part #
Big Victor Spread-Port for Dart Big Chief heads (9.8" deck height) #2801*
Big Victor EFI Spread-Port for Dart Big Chief heads (9.8" deck height) #28015*
Big Victor Spread-Port Tall-Deck for Dart Big Chief heads (10.2" deck height) #2802*
Big Victor EFI Spread-Port Tall-Deck for Dart Big Chief heads (10.2" deck height) #28025*
Big Victor Spread-Port for Brodix Big Duke heads (9.8" deck height) #2805*
Big Victor EFI Spread-Port for Brodix Big Duke heads (9.8" deck height) #28055*
Big Victor Spread-Port Tall-Deck for Brodix Big Duke heads (10.2" deck height) #2806*
Big Victor EFI Spread-Port Tall-Deck for Brodix Big Duke heads (10.2" deck height) #28065*
 
Carburetor Recommendations: Use appropriate 4500 Series racing carburetor.

Installation Notes: Recommended intake gasket: Fel-Pro #1298. Manifold ht.: #2801/#28015: A-8.15", B-8.15"; Manifold ht.: #2802/#28025: A-8.47", B-8.47"; Manifold ht.: #2806/#28065: A-8.25", B-8.25" see A/B Measurements. See manifold reference dimensions.
 
Big Victor High Velocity Spread-Port
(3500-8500 rpm)
These manifolds are identical to our #2801 and #2802 intakes, but with smaller runners for use on engines with a displacement up to 590 cubic inches, or for larger engines whose power band is primarily below 6500 rpm. Big Victor HV manifolds offer a smaller plenum and runner volume for optimal performance on engines with up to 590 c.i.d. and/or larger displacement engines operating 6500 rpm and below. This combo makes this an ideal choice for throttle stop applications or for custom ported versions to create unique port configurations.
Applications Part #
Big Victor High Velocity intake manifold for (9.8" deck height) #2803*
Big Victor High Velocity intake manifold for (10.2" deck height) #2804*
Big Victor High Velocity EFI intake manifold for Edelbrock, Brodix & Darts heads (9.8" deck height) #28035*
Big Victor High Velocity EFI intake manifold for Edelbrock, Brodix & Darts heads (10.2" deck height) #28045*
 
Carburetor Recommendations: Use appropriate 4500 Series racing carburetor.

Installation Notes: Recommended intake gasket: Fel-Pro #1298. Manifold ht.: #2803/#28035: A-8.15", B-8.15"; Manifold ht.: #2804/#28045: A-8.47", B-8.47" See A/B Measurements. See manifold reference dimensions.
 
* Not legal for sale or use on pollution controlled motor vehicles.
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