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Throttle body injection (TBI) systems will often work great with your current engine setup and support future upgrades (like a power adder or timing control) if you choose the appropriate system up front.
What is Throttle Body Injection? TBI is a type of fuel injection system that has one or two fuel injectors mounted in a throttle body. The injectors deliver fuel into the air above the throttle plates. From there, the air-fuel mixture enters the intake manifold, where it is distributed to the engine’s individual cylinders.
Fuel is delivered to the throttle body injection system by an electric fuel pump located in the fuel tank. This pump supplies fuel pressure in sufficient volume to meet the engine's fuel requirement through all load conditions.
In an electronically fuel-injected car, a throttle position sensor and air-flow sensor communicate with the main electronic control unit (ECU), which supplies the corresponding amount of fuel needed at the injectors. Where is it located? On older carbureted engines, the throttle body is built into the carburetor.
EFI - Fuel Injection. From GM's factory COPO Camaro to NASCAR to your car, get the new standard in fuel injection with Holley’s fuel injection kits and EFI systems. Our systems deliver more power and a better throttle response, giving you the performance you need. Learn more at Holley.com.
Welcome to TBI CHIPS throttle body injection services. So Just what is TBI, stands for Throttle Body Injection used by GM in the early 80’s through 1995. The early systems from 1982-1986 are just too old to do much with.
The two basic types of electronic fuel injection (EFI) in use today are Throttle Body Injection (TBI) and Multi-Point Injection (MPI). A TBI system is similar to a carburetor in that one or two injectors are located in a central throttle body that supplies fuel to the engine through the intake manifold. Instead of using engine vacuum to siphon ...
After a quick swapping of fuel lines and electronic connections, the multi-port injection was ready to go, still using the Sniper throttle body unit as just a mechanical throttle body. The only difference in the configuration is where/how the fuel is entering the engine.
Throttle Body Fuel Injection has stood the test of time for instant starting and fuel efficiency. Modern systems use engine control modules for precise fuel delivery control. Throttle body EFI eliminates vapor lock issues and improves fuel economy.
With modern advances in bolt-on throttle-body electronic fuel injection, the guesswork associated with programming air/fuel mixtures, idle speeds and fuel system pressures has been relegated to electronics.