Sage-Tips

Do individual throttle bodies make more power?

Aside from a snappier throttle response, one of the main benefits of running ITBs is the additional horsepower that can be gained with them as more air is able to enter the engine at a quicker rate due to the air inlets being placed on each cylinder.

Are individual throttle bodies better?

Individual throttle bodies not only offer superior response, but they also reduce these restrictions, freeing up power through improved airflow, with little to no trade off other than cost and increased engine noise.

Do carbureted engines have throttle bodies?

A throttle body is somewhat analogous to the carburetor in a non-injected engine, although it is important to remember that a throttle body is not the same thing as a throttle, and that carbureted engines have throttles as well.

Is throttle body and carburetor same?

a carburetor is a device that mixes fuel and air before it is drawn into the engine. A Throttle body is a device that injects fuel into the air stream before the stream enters the engine. Fuel injection (as used in the Throttle Body) is more efficient than a carburetor.

How much HP does a throttle body spacer add?

With a throttle body spacer, it is possible to increase the torque by 25 ft lbs and add up to 18 more horsepower. Not all throttle body kits can be used for all engines. Ensure that you get a kit that will work for the make and model of your engine. These spacers mainly benefit older engines.

Can you have ITBs and a turbo?

Yes you can fit throttle bodies and a turbo, but the gains of bodies over using an inlet plenum are not that big enough to justify doing so on a forced induction lump…

Can you run ITBs with a turbo?

Can you replace a throttle body with a carburetor?

While it works fine for stock applications, the fact is that General Motors’ Throttle Body Injection (TBI) system is a nightmare for modified engines. Though it is possible to replace the injectors and throttle body, and to reprogram the computer, many find it simpler to “down-grade” to a carburetor setup.

Which is better TBI or carb?

Even so, a TBI system will start, idle, run and respond much better than a carburetor, and will maintain a near perfect tune over a much broader range of temperatures and operating conditions.

Are aftermarket throttle bodies worth it?

In addition to increasing acceleration performance, larger throttle bodies can also boost overall horsepower. This gives the engine increased power and torque, which may be helpful in situations such as towing. Commonly, adding an aftermarket throttle body can increase engine power by 15 hp to 25 hp.

Does a throttle body spacer actually do anything?

The throttle body spacer permits more air than usual to go into the engine. Thus, the engine does not have to work as hard in order to get the correct amount of air into the combustion chamber. One of the main benefits of a throttle body spacer is an increase in horsepower.

Can you fit a throttle body to a combustion engine?

You can fit individual throttle bodies to pretty much any type of combustion engine. Most of the time it’s having the space to house the trumpets that is the issue. You can even fit ITBs to forced induction engines, and although they will obviously need enclosing in a plenum chamber to hold the boost, the basic principles still apply.

What are the benefits of an independent throttle body?

The true benefit of independent throttle bodies is the stereo warble you get from open velocity stacks when they’re installed on a V8, flat 6, or flat 4, and the engine bay is behind you. There is nothing like that sound. It’s glorious.

What’s the difference between a single throttle body and ITB?

As the single throttle body plenum will rise in pressure, the ITB plenum will lower in pressure as both approach WOT. The true benefit of independent throttle bodies is the stereo warble you get from open velocity stacks when they’re installed on a V8, flat 6, or flat 4, and the engine bay is behind you.

How do throttle butterflies work?

Some performance cars will be fitted with multiple throttle bodies. These work in the same way and the throttle butterflies still control the amount of airflow, but rather than one single large body controlling the air for all the cylinders, there are bodies for each individual cylinder.