Description

Command maximum power and aggressive throttle response from your high-performance engine with the legendary Holley 4779S Double Pumper Carburetor. This potent 750 CFM 4-barrel carburetor is engineered with mechanical secondaries for instant, on-demand fuel delivery and dual accelerator pumps for consistent fuel shot during rapid acceleration. The traditional manual choke mechanism provides reliable cold starting and precise warm-up control, making it an ideal choice for serious street/strip applications, circle track, and drag racing. Built with Holley’s renowned precision and durability, the 4779S is the go-to carburetor for enthusiasts, engine builders, and racers in South Africa demanding peak horsepower and uncompromising performance from their larger displacement or higher-revving carbureted engines.

Key Features:

• Holley Double Pumper Performance: Delivers superior acceleration and power with dual accelerator pumps for immediate fuel delivery.
• 750 CFM Flow Rate: Optimized for larger displacement V8 engines and high-performance applications.
• Mechanical Secondaries: Provides direct, wide-open throttle response for aggressive and immediate power delivery.
• Manual Choke: Offers precise, reliable control over cold starting and warm-up enrichment.
• 4-Barrel Design: Optimizes airflow and fuel atomization for enhanced combustion efficiency.
• Versatile Vacuum Ports: Features various vacuum ports for necessary accessories like PCV, power brakes, and vacuum advance distributors.
• Durable Construction: Built with Holley’s legendary quality and gold dichromate finish for long-lasting reliability and corrosion resistance.
• Enhances Engine Performance: Significantly improves throttle response, horsepower, and torque, especially at higher RPMs.
• Easy to Tune: Designed for straightforward tuning to precisely dial in your engine’s specific needs.
• Nationwide Delivery Across South Africa: We ship performance fuel components nationwide from Alberton, Gauteng.
• Expert Support Available: Our team can assist with compatibility and tuning inquiries.

Why Choose the Holley 4779S Double Pumper Carburetor in South Africa?

For serious performance enthusiasts and racers in South Africa, the Holley 4779S 750 CFM Double Pumper with manual choke is a legendary carburetor. It delivers the aggressive, instant power and precise control needed for demanding street/strip and racing applications, ensuring your larger displacement engine performs at its peak.

Specifications:

• CFM (Cubic Feet per Minute): 750
• Choke Type: Manual
• Secondary Type: Mechanical
• Number of Barrels: 4
• Fuel Inlet: Dual
• Finish: Gold Dichromate
• Part Number: 0-4779S
• Brand: Holley

Frequently Asked Questions:

• What type of engine is best suited for a 750 CFM Double Pumper? A 750 CFM Double Pumper is typically well-suited for larger displacement Small Block V8s (e.g., 350+ cubic inches with performance camshafts) and most Big Block V8 engines used in performance street/strip, mild race, or dedicated racing applications where aggressive throttle response is desired.
• What are mechanical secondaries, and why are they preferred for performance? Mechanical secondaries open directly with the throttle linkage, providing an instant and forceful shot of fuel for immediate power. This is often preferred in performance applications over vacuum secondaries, which open more gradually based on engine vacuum.
• Does this carburetor come pre-tuned for my engine? While Holley carburetors come with a baseline factory tune, installing a new carburetor almost always requires additional tuning (idle speed, idle mixture, accelerator pump adjustments, jetting) to optimize it for your specific engine, camshaft, exhaust, and vehicle setup.
• What is the purpose of a manual choke? A manual choke gives the driver direct control over the choke butterfly valve via a cable (sold separately). This allows for precise fuel enrichment during cold starts and warm-up, which can be beneficial in varying climates or for race engines.
• Do you ship Holley carburetors throughout South Africa? Yes, we offer reliable nationwide delivery of performance fuel system components across South Africa from our location in Alberton, Gauteng.
• Can I get technical assistance for tuning this carburetor? While we don’t offer in-person tuning, our customer support team can provide general guidance and resources for tuning Holley carburetors. For advanced or specific engine tuning, consulting a professional engine tuner is highly recommended.