When did Chevy stop using TBI?

Chevy used throttle body injection from 1987 to 1996 constantly, so if you’re looking for a TBI project or a model from that era, those years are where you should set your sights.

What does TBI stand for Chevy?

Throttle Body Injection
Throttle Body Injection (TBI) TBI, which is basically one step up from a carburetor, is found on older vehicles. As was mentioned, the setup uses one or two throttle body-mounted injectors to spray fuel into the intake manifold.

Can you cam a TBI 350?

This cam is designed specifically for the TBI 350 small-block and specs at 194/214 degrees of duration at 0.050-inch tappet lift with 0.398/0.442-inch lift. As you can tell, it doesn’t deliver much of an increase in lift. The advantage is the additional duration that will move up the power curve slightly.

Do performance chips work?

Because this practice continues to be widely spread, it brings many of us to question, “Do performance chips work?” The answer is yes. Performance chips provide a substantial boost in torque output and overall vehicle performance.

How can I make my 5.7 TBI faster?

How to Get More Horsepower for the 1994 GMC 5.7 Liter TBI

  1. Fill up your vehicle with high octane fuel rated above 90 octane.
  2. Add fuel injector or carburetor cleaner to your vehicle’s gas tank every 3,000 miles.
  3. Install a cold air intake on your vehicle’s air intake manifold.

Is TBI better than a carburetor?

So most TBI systems can tolerate radical cams with durations up to about 250° with much more finesse than a carburetor. The engine will run smoother, idle better, start easier and provide better throttle response and cold driveability with TBI than a carburetor.

Which is better TPI or TBI?

TBI is basically a high tech carb. The injectors are mounted in the throttle body. TPI is usually multiport fuel injection. There is one injector per cylinder, therefore more effective.

How much HP does a 350 TBI have?

210 hp
With all-new components and modern updates, this General Motors Gen 1 350 V8 puts out a reliable 210 hp and 300 lb. -ft. of torque at a work-friendly 2,800 rpm.