Who invented VTEC?

engineer Ikuo Kajitani

Honda’s original VTEC system was invented by Honda engineer Ikuo Kajitani. It solved the problem of gaining high-end power out of small displacement engines while maintaining fuel-sipping efficiency during normal everyday driving.

How does a VTEC system work?: The VTEC system uses two (or occasionally three) camshaft profiles and hydraulically selects between profiles. It was invented by Honda engineer Ikuo Kajitani. It is distinctly different from standard VVT ( variable valve timing) systems which change only the valve timings and do not change the camshaft profile or valve lift in any way.
Who founded VTech?: VTech was founded in Hong Kong in October 1976 by two local entrepreneurs, Allan Wong (Chi-Yun) and Stephen Leung. When the first single-chip microprocessor, the Intel 4004, became available in the early 1970s, the company saw the potential it offered for portable consumer electronics products.
When was VTEC first introduced in a motorcycle?: Apart from the Japanese market-only Honda CB400SF Super Four HYPER VTEC, introduced in 1999, the first worldwide implementation of VTEC technology in a motorcycle occurred with the introduction of Honda’s VFR800 sportbike in 2002.
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).

Contents

Why did Honda stop VTEC?
What the heck is VTEC?
How to test car battery?

Why did Honda stop VTEC?

Coincidentally, while CVCC was an emissions control technology, VTEC is being phased out in favor of more conventional double overhead cam (DOHC) technology in pursuit of less pollution. Honda’s non-turbocharged engines since the 1990s have employed single overhead camshafts featuring two sets of lobes.

Is the Honda NSX ditching VTEC?: Unfortunately, Honda’s ditching VTEC, at least on its 3.5-liter V6. The automaker is moving to a DOHC (dual-overhead-cam) V6 instead. It’s the first naturally aspirated DOHC engine since the original NSX. The reasoning is simple: Emissions. Honda notes that the new V6 sports a massive 40 to 50 percent reduction in emissions.
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.
How does Honda VTEC work?: The process of opening and closing the valves that we just described works well at low revolutions per minute (rpm), but the valves open and close so quickly as the engine builds up speed that performance ultimately starts suffering. Honda’s Australian division published the video below to explain how its VTEC technology works.

What the heck is VTEC?

We get this question quite a bit… “What does VTEC mean?” The short answer is “Variable Valve Timing and Lift Electronic Control”. It’s a system Honda developed to increase performance and efficiency on its smaller engines.

What is VTEC & 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 does VTEC stand for in Honda Accord?: VTEC technically stands for Variable Timing Electronic Control. Honda however also has two other variations of this technology: i-VTEC and VTEC-E. They are all variable valve timing and lift systems but they work a bit differently.
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?
What is VTEC valve timing & lift electronic control?: VTEC is the full meaning of Variable Valve Timing and Lift Electronic Control. VTEC is an incredible technology that adjusts the size of your valve opening when driving, allowing more air-fuel ratio into the combustion chambers – turning the vehicle into a road beast.

How to test car battery?

How to test a car battery with a multimeter?: Testing a car battery with a multimeter is a simple process. The first thing to do is make sure you can access the two terminals on the top of the car battery.
How can you tell if your car battery is fully charged?: For this test you need a car battery tester. Test your battery with a CCA rating of one and a half and observe if the battery holds 9.6 volts for 15 seconds. When performing the test, make sure the battery is fully charged. 5.
How do you test a starter battery?: In order to test your battery against the load of its starter, you need to make sure it has a strong connection that’s not interfered with by oxidized terminals or a poor connection. If the cables can move at all on the terminal, they’re loose and need to be tightened.
How to load test a battery?: I will show you how to use a load tester to load test your batteries. So let’s run through this real quick, just like any car, we’re going to start by removing the negative terminal first and then the positive terminal. Connect the tester to the battery. Positive to the positive, negative to the negative. Choose your battery parameters.

Car battery.