The Demon Fuel Systems SDA-750-VS Screamin Demon Carburetor is designed to deliver top-tier performance for a variety of high-performance engines. With a 750 cfm rating, this carburetor is perfect for enthusiasts looking to boost their vehicle’s power and responsiveness. It features vacuum secondaries that provide smooth, progressive throttle response, making it ideal for street-driven vehicles and performance builds. The down leg boosters offer improved fuel atomization for better combustion efficiency, resulting in smoother acceleration and more consistent power delivery.
Technical Specifications
- Brand: Demon Fuel Systems
- Part Number: SDA-750-VS
- CFM (Cubic Feet per Minute): 750 cfm
- Booster Type: Down Leg Booster
- Secondary Type: Vacuum Secondary
- Fuel Type: Gasoline
- Throttle Linkage: Vacuum-operated
- Material: Die-cast aluminum construction
- Finish: Polished aluminum
- Fuel Inlet: Dual inlets for easier fuel line installation
- Primary Jets: Adjustable for tuning
- Recommended Engine Size: 305-400 cubic inches (based on application)
- Installation: Universal, fits most carbureted engines
- Weight: 6.5 lbs
Features
- 750 cfm Flow Rate: Ideal for moderate-performance engines that require a balanced airflow for both street driving and mild racing.
- Vacuum Secondaries: Provides smooth and gradual power delivery, making it perfect for street applications and vehicles requiring responsive throttle without harsh engagement.
- Down Leg Boosters: Enhance fuel atomization for better combustion, leading to increased throttle response and fuel efficiency.
- Die-Cast Construction: Durable and lightweight, ensuring the carburetor can handle the demands of high-performance engines.
- Polished Finish: Offers a sleek look while providing resistance against corrosion for long-term reliability.
- Adjustable Jets: Allows for fine-tuning the carburetor to meet specific engine demands and fuel requirements.
Applications
- Street Performance Engines: Perfect for street rods, muscle cars, and hot rods looking for better throttle response and reliable fuel delivery.
- Mild Racing Engines: Suited for racing builds that require a carburetor with smooth power progression and reliable performance.
- Carbureted V8 Engines: Best for engines in the 305-400 cubic inch range, but can be adapted to other sizes with proper tuning.
Benefits
- Balanced Power Delivery: The vacuum secondaries ensure a smooth throttle response without bogging or hesitation, making it ideal for street-driven vehicles.
- Improved Combustion Efficiency: The down-leg boosters allow for better fuel atomization, improving engine performance, throttle response, and fuel economy.
- Easy Tuning: The adjustable jets make it simple to tune the carburetor to match your engine setup, ensuring optimal performance at all RPM ranges.
- Durability: Built with die-cast aluminum for long-lasting strength and resistance to heat, ensuring it holds up under high-performance conditions.
- Versatility: Works well with a wide range of engines, making it a versatile choice for both street and mild race builds.
REVIEWS
JP
"I swapped to the SDA-750-VS on my 350 engine, and it made a huge difference. The vacuum secondaries give a much smoother ride, and the car feels a lot more responsive now. Very easy to tune, too!"
James Peterson
Los Angeles, CA
RM
"Great carburetor for street cars. The 750 cfm is perfect for my 383 stroker engine. It runs great with excellent throttle response, and the down-leg boosters make my engine feel much smoother at cruising speed."
Ryan Mitchell
Chicago, IL