How does a VTEC system work?

How does a VTEC system work? The VTEC system essentially combines low-RPM fuel efficiency and stability with high-RPM performance. This allows more air and fuel to enter and burn, creating stronger torque and horsepower. In any engine, valve timing, duration and lift that optimize performance at low speeds are very different than high RPM needs.

How does VTEC activate? At a predetermined engine speed based upon the ECU, a 12V signal is sent to the engine’s VTEC solenoid, which activates the process.

How do VTEC engines work? VTEC is a type of variable valve-timing system developed and used by Honda. It stands for Variable Valve Timing & Lift Electronic Control. At higher engine speeds, the cam profile allows greater valve lift, which allows more air into the cylinder. This helps generate more horsepower.

What makes VTEC special? The VTEC system uses two camshaft profiles and hydraulically selects between the two. The incredible feature of this technology is that the engine can have the low-speed and high-speed camshafts in the same engine. In fact, the main idea with Honda i-VTEC is to have the maximum engine performance at every RPM range.

How does a VTEC system work? – Related Questions

At what RPM does VTEC kick in?

It depends on the engine. Most Hondas had vtec crossover in the low to mid 5000rpm range. You had 2 camshaft profiles, 1 optimized for low-mid rpm driveability and fuel economy and another for mid-high rpm power.

Is it bad to hit VTEC all the time?

Registered. Not hitting vtec ATLEAST once a day can cause both problems to the driver, and the car. Without hitting vtec daily- the driver can develop a “light” foot. The car also suffers because it enjoys crossing over the line at 6000 RPM and making that nice growling noise.

Is VTEC like a turbo?

Unlike VTEC, a turbocharger doesn’t suddenly “kick in” at an exact RPM – it provides varying amounts of boost over a wide RPM range. VTEC is a “digital” device. It is either on or off resulting in a sudden transition and change in engine performance and sound at the engagement point.

How do I know if my VTEC is working?

SO MAKE SURE YOUR CAR IS WARMED UP AND YOU HAVE A SUFFICENT OIL LEVEL. When the wires touch you should definately feel a differance, well, that is if your vtec is working.

Does VTEC make a sound?

I don’t understand how you fail to comprehend this. vtec is allowing more air and gas to enter into the combustion chamber, creating a bigger bang. You hear this. Usually, the “noise” is slightly higher pitched (when in vtec), if you have a raspy exhaust, it is only going to sound raspier.

Do all Civics have VTEC?

The Honda Civic does come with VTEC standard on some models. They include the EX, EX-L, HX, Si, Si-R, VTi, VTiR,and the Civic Type R. All of these are upgraded over the base model Civic and come with other features as well. A variety of honda civic models are available with vtec.

Why do Hondas rev so high?

Honda engines are usually oversquare, (shorter stroke, larger bore) then other engines of the same capacity, Allowing them to change direction more quickly. Hence they can rev higher. Power = torque times by rpm. revolutions is the only replacement for displacement.

Does VTEC save gas?

VTEC (Variable Valve Timing & Lift Electronic Control) is a system developed by Honda to improve the volumetric efficiency of a four-stroke internal combustion engine, resulting in higher performance at high RPM, and lower fuel consumption at low RPM.

Do Hondas still have VTEC?

Today Honda still makes VTEC engines, but given the growth of turbocharging and the fact that other automakers have been using their own forms of variable valve timing for many years, the feeling isn’t quite as special.

Can VTEC be adjusted?

Ensure your Honda is capable of being “tuned” properly and can benefit from a VTEC engagement-point adjustment. This may necessitate the addition of aftermarket parts or other upgrades from the manufacturers’ “stock” engine.

Is i VTEC better than VTEC?

i-VTEC (intelligent Variable Valve Timing and Lift Electronic Control) was introduced in 2002 to the North American market. Thus, the i-VTEC system provides all the benefits of the traditional VTEC design’s high-end open throttle power, while providing better engine operation at low and partial throttle.

At what RPM should you shift gears?

Generally, you want to shift gears when your car reaches 2,500-3,000 RPM. Eventually, you will know when to shift by sound and feel.

Is it bad to redline a VTEC engine?

VTEC/non-VTEC is irrelevant qua redline. A redline limiter is designed to keep the rotational speed of the engine at or below “safe” limits.

Does VTEC burn oil?

The answer is yes, you will. Its a Honda, they generally consume oil in vtec.

Is VTEC forced induction?

The new Honda VTEC turbo engine

For decades, Honda was adamant about staying away from forced induction. But moving forward Honda have realised that the only way to keep up with tightening emissions and efficiency regulations, as well as to cater to shifting consumer demands, is to adopt forced induction.

Is VTEC good or bad?

vtec is good but primarily it was implimented to improve gas mileage, not necessarily performance, with a similarly ground camshaft on the same sized engine with the same compression rating u will get the approximately the same hp ratings, but u will loose gas mileage because vtec engagement doesnt kick in unless ur

Does VTEC kick in neutral?

nothing to worry about just the honda tick right??? Nope VTEC does not kick in in nuetral, or reverse if I recall correctly. don’t worry about the engine tick, but it’s not “good” for the engine to be revved repeatedly at idle to that high.

What does a bad VTEC solenoid do?

Conclusion. When there’s an issue with your VTEC solenoid, it’s likely to leave your car stumbling along in limp mode at a fraction of the power you’re used to, where you may not even be able to go above 3,000 rpm.

Is a VTEC engine faster?

Honda developed its Variable Valve Timing & Lift Electronic Control (VTEC) technology to make its cars quicker, more efficient, and more enjoyable to drive overall.

What is Toyota VVTI?

VVT-i stands for Variable Valve Timing-Intelligence, which is Toyota’s name for the variable valve technology it uses in most of its vehicles. Some variable valve systems also work on the exhaust valves, which open to let the air-fuel mixture out of the engine.

When did Honda stop using VTEC?

The Integra kept kicking for a while as the Acura RSX (it was still called “Integra” in other markets), but 2006 marked the end of the line.