Variable Valve Timing & Lift Electronic Control
The VTEC (Variable Valve Timing & Lift Electronic Control) system uses separate camshaft profiles for low and high-end performance, and the engine computer selects between profiles.
What is VTEC and how does it work?
Honda developed its Variable Valve Timing & Lift Electronic Control (VTEC) technology to make its cars quicker, more efficient, and more enjoyable to drive overall. The technology’s frequent appearance in Fast and Furious movies has turned it into a widely known meme. Many have heard the phrase “VTEC just kicked in, yo!” but few know how it works.
What is VTEC (variable valve timing and Lift Electronic Control)?
VTEC (Variable Valve Timing and Lift Electronic Control) is a valvetrain system developed by Honda that allows engines to achieve turbo level specific output without the bad fuel efficiency that turbocharging normally introduces.
What does VTEC mean on Acura?
VTEC is an acronym for a variable valve-timing system used on Honda and Acura models since 1989. The full name is variable valve timing and lift electronic control, and the first U.S. model with VTEC was the 1991 Acura NSX. Related: What Does TPMS Mean?
What is the difference between VVTi and V-TEC?
VVTi is not a system that is comparable to V-TEC. As you probably know, VVTi is a system developed by Toyota. VVTi gives you the ability to use variable valve timing. And this is the ability to alter the work of the camshaft and be able to either retard or advance the timing.
Why are Honda engines so fast?
Honda developed its Variable Valve Timing & Lift Electronic Control (VTEC) technology to make its cars quicker, more efficient, and more enjoyable to drive overall. The technology’s frequent appearance in Fast and Furious movies has turned it into a widely known meme.
Is Honda making a great engine?
Just a couple years ago, saying something like “Honda makes great engines” around racing fans (particularly those of the Formula 1 persuasion) would be met with heavy laughter. Today, though, Honda has improved drastically; finally showing signs of a return-to-form for the team.
What makes Honda different from other carmakers?
Like many large automotive manufacturers, Honda has built some outstanding vehicles; sports cars and fuel-savers alike. However, what separates Honda from other carmakers isn’t its reliability alone, but the engines which facilitate that legendary renown.
What makes Honda so special?
Japanese culture is the driving force behind Honda’s reputation as a reliable automaker, year after year. We all hear about how reliable and competitive Hondas are, but experiencing it first-hand puts it into a different perspective. I wanted to know what made Honda so special. Needless to say, the answer was obvious.
Why do Honda’s cars have human engineers?
That may be true for a majority of production, yet, brands such as Honda don’t let that ruin the car. Human engineers and specialists work day and night to improve upon things a machine couldn’t: like attention to detail with a personal attachment towards the project’s success.
How much HP does VTEC add?
The 2.2-liter DOHC 16-valve 4-cylinder (H22A1) boasted 190 hp and 158 lb. -ft. of torque. Working much like the VTEC mechanism on the NSX, it produces an additional 30 horsepower compared to the 2.3-liter non-VTEC engine in the Prelude Si (H23A1).
How much horsepower does a VTEC engine produce?
First two variants will have 1200cc SOHC i-VTec 4 Cylinder engine with 5 speed manual transmission. It will produce 88 horsepower and 110 Nm of torque. The next three variants will have 1500cc SOHC i-VTec 4 Cylinder engine with CVT transmission. This engine will produce 118 horsepower and 145 Nm of torque.
Can a VTEC engine be added to a non-Honda engine?
VTEC is a system that was built especially for Honda’s engines. To put it simply, VTEC is the engine itself, so it cannot be added to a separate, non-Honda engine. However, VTEC engines can be bought as a whole and added to a vehicle.
Do VTEC engines need frequent oil changes?
As previously mentioned, frequent oil changes are mandatory for VTEC engines, regardless of the Honda model they are on. This engine type is very sensitive to overheating, so you might want to check the water pump, which is responsible for preventing the engine from high temperatures.
What is a DOHC VTEC engine?
From the REV used in motorcycle engines, Honda developed the DOHC (DDouble Overhead Camshaft) VTEC system for automobiles. The DOHC VTEC improved the volumetric efficiency of a four-stroke internal combustion engine, resulting in higher performance at high RPM, and lower fuel consumption at low RPM.
Is V6 better than VTEC?
The difference between the two is that, all things being equal, the V6 will (probably) be of a larger capacity, more powerful….and considerably more fuel hungry.
What is the difference between VTEC and V6?
VTec is a proprietary variable valve timing and lift system developed by Honda. V technology is hondas fancy way of saying variable valve timing. A V6 is the v is configuration of the pistons and 6 is the number of pistons. My genesis 3.8 has a v6 with vvt it has 333 hp and when you punch it watch those rpms climb. Drive normal and its tame.!!
What is the highest rated Honda VTEC engine?
One of the highest-rated Honda VTEC engines is the B18C6. This is a 1.8L 4 cylinder engine that could be found in the 1999 through 2001 Honda Integra and Acura Integra Type R from around the world. It produced 195 horsepower and 130 pound-feet of torque which was great for a car that light.
Is VTEC better than i-VTEC?
Overall, VTEC offers the best of all worlds and is great technology. It’s hard to argue with anything that improves performance, efficiency, emissions, and fuel economy all at the same time. What is i-VTEC? If variable valve timing isn’t complicated enough, Honda added i-VTEC for you, which essentially stands for Intelligent VTEC.
What is the difference between a V12 and V6 engine?
Honda engines in general were higher performance engines than their Toyota counterparts for a given era, but in the heyday of VTEC, from the early 90’s, starting with the Acura NSX, then filter What’s the difference between a V12 and V6 engine? From the information given we can only suggest that the V12 has 6 more cylinders than the V6 engine.
Does Toyota have VTEC?
VTEC and VVT-i systems were developed by Honda and Toyota respectively in order to improve the efficiency of car engines.
What is Honda VTEC?
VTEC is just Honda’s fancy term for its variable valve timing technology. It’s similar to BMW’s Vanos or Toyota’s VVT-i systems. VTEC technically stands for Variable Timing Electronic Control. Honda however also has two other variations of this technology: i-VTEC and VTEC-E.
What is the difference between Honda VTEC and Toyota VVTL-i?
Both Honda’s VTEC and Toyota’s VVTL-i utilize oil pressure to activate a locking mechanism to achieve higher valve lift. However, the two manufacturers achieve this from two different avenues. The major difference can be found in the cams. The B18C VTEC cams utilize a total of 24 lobes (12 on the intake side and 12 on the exhaust side).
What are the two components of VTEC?
There are two components to VTEC and the other variable valve technologies: variable timing and variable lift. Both refer to the opening and closing of an engines valves. Variable lift is responsible for driving higher performance whereas variable timing is responsible for emissions and engine temperature control.
Is VTEC basically a turbo?
The VTEC TURBO engine produces more torque than the 2.4L naturally-aspirated engine, thanks to its turbo. The VTEC TURBO allows a small, 1.5L engine to perform as well as a 2.4L engine.
What is the difference between a turbo and a VTEC?
While VTEC technology is a welcomed innovation, it is nothing compared with turbo. With turbo, the engine produces more horsepower and torque, while VTEC only pulls the maximum horsepower out of the engine since we can feel the torque on VTEC cars in the VTEC range.
What is i VTEC engine?
The most amazing feature of the i-VTEC technology is its high-speed and low-speed cam in the same engine. By this, the engine provides optimum performance at all speed ranges. The i-VTEC technology makes cars more efficient and faster and gives the driver confidence on the wheel. Q: Which VTEC engine is best?
What Honda vehicles have VTEC engines?
VTEC engines are used in a variety of Honda vehicles, including the Accord, Civic, CR-V, and Odyssey. Honda’s commitment to innovation and efficiency makes VTEC engines some of the most powerful and advanced on the market.
Can VTEC make a car faster?
Yes, VTEC can make a car faster. VTEC is a system that allows an engine to produce more power by opening and closing valves at different times. This system can be used to increase power at high rpm, which can lead to increased speed.
Why VTEC is the best?
VTEC allows your car to control the intake stroke from high to low. This reduces fuel consumption and increases the performance of the vehicle even during difficult conditions. It will also allow you to reach higher speeds when you would not be able to do so under normal circumstances.
Are Honda VTEC engines good?
Yes, Honda VTEC engines are VERY good because they’re engines that run more efficiently than engines without variable valve timing, literally have two personalities in one engine, very reliable mechanical system, and they have a unparalleled high horsepower for a naturally aspirated engine with just 4 and 6 cylinders.
What year did VTEC come out?
VTEC debuted in the B16A engine of the 1989 Honda Integra XSi. VTEC was introduced as a DOHC (dual overhead camshaft) system in Japan in the 1989 Honda Integra XSi, [1] which used the 160 bhp (120 kW) B16A engine. The same year, Europe saw the arrival of VTEC in the Honda Civic and Honda CRX 1.6i-VT, using a 150 bhp (110 kW) B16A1 variant.
What is a VTEC TURBO engine?
VTEC Turbo engines come in three displacement capacities: a 1.0 liter 3-cylinder, a 1.5 liter 4-cylinder, and a 2.0 liter 4-cylinder . Initial implementation for European vehicles included 2-litre 4-cylinder turbocharged engine used from 2015 Honda Civic Type R until present, which included Euro 6 emissions compliance.
Why is VTEC so powerful?
This system operates the valves to maximize fluid flow into and out of the engine over an uncommonly wide rpm range. The genius behind VTEC is how it optimizes the resonance effect of fast-moving air. Engines produce power by compressing air and adding fuel and spark at opportune moments.
What is a VTEC engine?
It’s the ace in the hole for their naturally aspirated four (and six) cylinder engines – although VTEC has also continued on turbocharged Honda engines like the current Type R Civic. VTEC can boost performance, increase efficiency and decrease emissions. Over the years Honda have used it to great effect for all three of these goals.
Does VTEC add more power?
The dwell of the valves remains unchanged, as in the automobile VTEC-E, and little extra power is produced, but with a smoothing-out of the torque curve. Critics maintain that VTEC adds little to the VFR experience, while increasing the engine’s complexity.
What does VTEC mean on a Honda Accord?
VTEC (VVariable 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.
How does Advanced VTEC work?
Advanced VTEC has a standard camshaft and rocker arms, attached as they normally are with camshaft overhead, and rocker arms pushing down on the poppet valves. The camshaft is surrounded by a partially open drum which has secondary rocker arms attached to it via a pivoting point.
Is CVT or VVT better?
In answer to your question – VVT can certainly offer efficiency improvements. CVT incurs greater drivetrain losses than manual transmissions and so wouldn’t really be considered efficient.
What is the difference between CVT and VVT-i?
Honda has their own version called V-Tech. CVT is Continuously Variable Transmission, which Honda uses in the new CR-V, but Toyota doesn’t offer in the RAV4 in N. America. Two totally different technologies. VVT-i is Variable Valve Timing with Intelligence, which is a feature of the engine.
Are CVTs a good choice for a car?
As Car Engineer explains, the general public has been less accepting of the CVT due to the difference in noise perception from mechanical or step automatic transmission. CVTs can be expensive to repair or replace when compared to a conventional automatic transmission.
Does Toyota have a CVT transmission?
Toyota touts its CVT transmission as the best choice for performance and fuel efficiency. Toyota has a Direct Shift CVT, which combines the most efficient parts of the conventional transmission and CVT transmission. The Direct Shift-CVT utilizes the first gear of a conventional transmission, which helps the vehicle accelerate more quickly.
Are CVTs complicated?
CVTs are not as mechanically complicated as traditional automatic transmissions. That being said, they are significantly more difficult to work on and repair if something goes wrong. Due to their design, they need to be precisely calibrated and the work can be incredibly intricate.
What does VVT mean car?
Variable Valve Timing
Variable Valve Timing or VVT is the timing for which the valves open. The VVT system controls the duration for which the intake and the exhaust valves open and the incline of the lift. All this activity happens within the engine while it’s operating.
What is faster VTEC or Turbo?
VTec engine is basically a variable valve engine. So the vehicle gives you the boost you need at higher rpms and good economy at lower rpms. A standard turbocharged engine is basically a boosted engine which gives you good power onces you’ve got good rpms running as in the case of any normal turbocharged engines.
Is this a VTEC engine?
Short answer: No, it is not VTEC. Long answer: The 1.5L Turbo engine features dual VTC on both the Intake and Exaust camshaft. This affects Valve timing only. In essence it does what VTEC does in that it is variable valve timing, minus the lift. In laymans terms, think of lift as how far the valves open.
What is the difference between VTEC and VTC?
Without VTEC they open only to a certain set height on a smaller lobe, with VTEC engaged the valve is opened by a larger lobe, resulting in a valve that is opened wider for longer. VTC does change how long the valve stays open affecting valve timing and overlap, with the focus done on scavenging, but it does not affect lift at all.
How powerful is VTEC?
Horsepower peaks at a breathtaking 306 hp at 6500 rpm when using premium unleaded fuel. The torque peak of 295 lb-ft is achieved at a low 2500 rpm, and maintains until 4500 rpm for a sustained blast of thrust. Special sodium-filled exhaust valves help conduct heat away from the valve faces for greater dependability.
Who invented VTEC engine?
The VTEC engine was invented in the late 80s by a Honda engineer IKUO Kujitani. The VTEC engine is commonly known as Variable Valve Timing (VVTi). Honda seems to be the only car with VTEC engines, but you will see VVTi, and VVT in most Toyota engines. Nissan calls it Variable Valve Lift (VVL), and Mitsubishi calls it MIVEC. So, how does VTEC work?
Which Honda VTEC engine is best?
However, our pick and one of the top-rated Honda VTEC engines is the K20A. This is a high-performance engine featured in Type R models like FD2 Civic Type R and DC5 Integra Type R. The newer version of the K20A engine outputs 225 PS at 8,000 revolutions per minute (RPM) and a max torque of 215 NM at 6,100 revolutions per minute (RPM).
Is VTEC a 4-cylinder?
2.4-Liter, i-VTEC® 4-Cylinder Engine with Direct Injection (LX)
Does the Honda Accord have a VTEC engine?
Although Honda announced it was working on an Advanced VTEC (AVTEC) engine in 2006, it still hasn’t hit the market. You can find Honda VTEC engines in various trims of the Honda Accord, the Honda Clarity Plug-In Hybrid, and the Honda Civic Type R which uses the VTEC TURBO.
What is Honda i-VTEC?
Honda i-VTEC is intelligent variable valve timing and electronic lift control system that is engaged at 3,500 rpm. The main purpose of that system is to provide high fuel efficiency together with max performance. The R18 doesn’t have hydraulic tappets (checking and adjusting valve clearance is needed every 25,000 miles or 40,000 km).
Is VTEC best engine?
2 Honda VTEC – F20C It is the most impressive engine in the Honda VTEC family. It recorded the highest specific power output from a naturally aspirated production engine, with about 124 hp per liter.
When did Honda stop 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.
When was VTEC first used in a Honda Accord?
The first production Honda vehicle to feature a VTEC engine was the 1989.5 Honda Integra XSi. After the wild success of the Integra, VTEC eventually found its way into the legendary NSX. Eventually, the technology would land its way in Civics, Accords, and even SUVs like the Pilot and CR-V. So, what is VTEC?
When was VTEC introduced in Honda CRX?
VTEC was introduced as a DOHC (dual overhead camshaft) system in Japan in the 1989 Honda Integra XSi, which used the 160 bhp (120 kW) B16A engine. The same year, Europe saw the arrival of VTEC in the Honda Civic and Honda CRX 1.6i-VT, using a 150 bhp (110 kW) B16A1 variant.
What was the first car to have a VTEC engine?
The first engine to hit mainstream Hondas w/ VTEC was the B16A, a 1595cc inline-4 16Valve DOHC engine, first appearing in 1989 in the Honda Integra XSi and RSi Heh, Road & Track made the same mistake in their latest issue, saying the NSX was the first car with VTEC. so would the 93 accords and civics have the VTEC engine?
Is i-VTEC better than VTEC?
The only difference between this i-VTEC engine and the older VTEC engines is the addition of the VTC system. The intake camshaft has the automatic self-adjusting cam gear which continuously optimizes valve overlap for all RPM ranges. Here we see an image of the intake cam lobes of the K20A2.
What is the difference between DOHC i-VTEC and DOHC VTEC?
VTC (which is the i part of i-VTEC) is present in all i-VTEC engines and it can change cam timing 15* +/- from base timing. the performance DOHC i-VTEC is found in the RSX-s the new civic Si and the TSX. it has regular old DOHC VTEC awesomeness along with the VTC. that DOHC i-VTEC is superior to DOHC VTEC.
What is VTEC-E & how does it work?
VTEC-E is a fuel efficient version of VTEC that is more fuel economy oriented than it is power oriented. It is predominantly on hybrid and fuel-efficient Honda’s. It works by shutting off intake valves during low RPMs to improve fuel economy. For example, on a standard 16-valve engine each cylinder has two intake valves.
Is VTEC even fast?
Does a VTEC engine make a car faster? For once I am able to answer a question “does X make car faster” with a resounding yes! VTEC allows the valves in the engine to follow a different cam profile as the engine revs build.
Does VTEC make a car faster?
VTEC doesn’t make a car faster, but it makes the engine more efficient. VTEC helps the engine to run at a higher RPM, which allows it to generate more power. This means that the car can accelerate faster and reach higher speeds.
What RPM does a VTEC engine start?
The VTEC engine will typically kick in at around 2000 rpm, depending on the specific make and model of your Honda City. Does VTEC make a car faster?
