A fuel delivery system configuration utilizes four venturis within a single throttle body unit to meter and inject fuel into an engine’s intake manifold. This system, typically found as a replacement for carburetors on older V8 engines, offers a simplified method of upgrading to electronic fuel injection. Each venturi, mirroring the design of a four-barrel carburetor, contributes to the overall airflow and fuel distribution to the cylinders.
This type of fuel injection provides a more precise fuel control compared to carburetors, leading to improved fuel efficiency, reduced emissions, and enhanced engine performance. Its emergence as a popular alternative offered a cost-effective way to modernize classic vehicles. The system’s design enabled a smoother transition from older carburetor technology to a more technologically advanced injection method, offering noticeable improvements in drivability and reliability.