The ITB’s add 18 hp at 5800 rpm and 21 ft-lbs of torque at 4000 rpm.
If you’re looking for a way to add a little extra power to your car, consider installing an aftermarket intake. An aftermarket intake can increase your vehicle’s power by allowing more air into the engine. This can result in a 5-10% increase in horsepower and torque.
If you’re looking for even more power, consider installing an intercooler or upgrading your exhaust system as well.
ITB's vs Single throttle inlet manifold – Gold 4age – Garage4age
Disadvantages of Individual Throttle Bodies
If you’re considering upgrading your engine with an individual throttle body (ITB) system, there are a few things you should know. ITBs can provide some significant performance gains, but they also have some drawbacks that you should be aware of before making the switch.
One of the biggest disadvantages of ITBs is the cost.
A quality ITB setup can easily cost several thousand dollars, which is a significant investment for most people. Additionally, ITBs require more maintenance than a traditional carbureted or fuel-injected engine. If not properly maintained, they can cause reliability issues and decreased performance.
Another downside to ITBs is that they can be difficult to tune. Since each cylinder has its own throttle body, it’s important to get the air/fuel mixture and ignition timing just right for each one. This can be a challenge for even the most experienced tuners.
Additionally, because of the way they work, ITBs tend to produce more engine vibration than other types of setups. This isn’t necessarily a deal-breaker, but it’s something to keep in mind if you’re looking for a smooth-running engine.
Overall, ITBs offer some great benefits in terms of performance potential.
However, they also come with some significant disadvantages that you need to consider before making the switch from your current setup.

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Do Individual Throttle Bodies Make More Power?
Individual throttle bodies can make more power, but they also have some drawbacks. I’ll touch on both the pros and cons of ITBs so you can make an informed decision for your engine build.
The biggest advantage to ITBs is that each cylinder gets its own dedicated throttle body.
This means that there’s no cross-talk between cylinders, and each one is individually fed air. That can lead to a more efficient burn in the engine, which can translate into more power. Along those same lines, because each cylinder has its own throttle body, you can tune each one individually for optimal performance.
That flexibility can be a big plus if you’re trying to eke out every last bit of power from your engine.
However, ITBs also have some disadvantages. One is that they tend to be noisy – especially at high RPMs when the engine is really sucking in air.
That might not be a big deal to you if you’re building a race car, but it could be an issue if you’re looking for a streetable car. Another potential downside is that ITBs can introduce some vibration into the engine because of their individual nature. Again, this might not be an issue if you’re building a race car, but it could affect streetability and reliability.
Finally, ITBs tend to be more expensive than traditional carburetors or fuel injection setups.
Can You Boost a Car With Itbs?
If you’re looking to boost the power of your car, ITBs may be the way to go. Short for individual throttle bodies, ITBs are a popular modification that can help increase horsepower and torque. But can they really make a difference on your car?
Here’s what you need to know about ITBs and how they can impact your ride.
What Are ITBs?
ITBs are exactly what they sound like – separate throttle bodies for each cylinder.
That means that each cylinder has its own air intake, rather than sharing one with the others. This can provide a number of benefits, including increased airflow and more precise control over the engine.
How Can ITBs Boost Power?
One of the main ways that ITBs help boost power is by increasing airflow into the engine. By having separate throttle bodies for each cylinder, there’s less chance of air being restricted as it flows into the engine. That means more oxygen available for combustion, which can lead to more power being produced.
Additionally, because each cylinder has its own throttle body, fuel can be metered more precisely. This also leads to improved combustion and increased power output. Finally, ITBs can also improve exhaust flow by helping scavenge spent gases out of the cylinders more quickly and efficiently.
All of these factors together can add up to some serious gains in horsepower and torque.
Are There Any Downsides To Installing ITBs?
While there are certainly some advantages to installing ITBS on your car, there are also some potential downsides to consider as well.
One is that separating the throttle bodies from one another can lead to balance issues within the engine itself.
What is the Advantage of Itbs?
An advantage of ITBs, or individual throttle bodies, is that they can improve engine performance. By having separate throttles for each cylinder, the air flow into the engine can be more precisely controlled. This can lead to a better distribution of air and fuel mixture, which can result in increased power and efficiency.
Additionally, ITBs typically weigh less than a comparable carburetor, so there is also a weight savings to consider.
Are Itbs Naturally Aspirated?
ITBs are not naturally aspirated. They require a forced induction system, such as a turbocharger or supercharger, to increase air pressure and density before entering the engine. This allows the engine to make more power by increasing the amount of oxygen available for combustion.
Conclusion
As anyone who’s done a search on the internet can attest, there’s a lot of information out there on how much power individual throttle body sizes (ITBs) can add to an engine. The problem is, a lot of this information is conflicting, and it can be hard to sift through it all to figure out what’s true and what’s not.
In general, though, it seems that most people agree that ITBs can add anywhere from 5-20hp to an engine, with the biggest gains coming in the higher rpm range.
However, there are a few things to keep in mind if you’re thinking about adding ITBs to your car.
First off, ITBs will only work well if your engine is already tuned reasonably well. If your engine is running lean or has other issues, ITBs are unlikely to fix those problems and may even make them worse.
Secondly, ITBs tend to work best on high-revving engines; if your engine doesn’t rev particularly high, you probably won’t see much benefit from adding them.
Finally, keep in mind that while ITBs can add power, they also have the potential to decrease fuel economy and increase emissions. So if you’re thinking about adding them to your car, make sure you do your research first and weigh the pros and cons carefully before making a decision.