Hot Rod

Variable Valve Timing For Circle Track Engines

In order to set a stage for what follows, let's first revisit some of the fundamentals involved in how valve timing relates to power output. And to further clarify how "power" is defined in the ...
Hot Rod

GM's Variable Valve Timing System Performance Test - 15 Degrees Of Separation - Speed Parts Testing

The tough guy in you says to stab that cam in retarded a few degrees for maximum top-end horsepower, while your more practical alter ego suggests advancing it a hair for improved low-end torque and ...
Engineering Explained on MSN

Variable valve lift vs variable valve timing - VVL vs VVT

What is VVL? What is VVT? How does VVL/VVT work? What is variable valve lift? What is variable valve timing? We're going to look at the valvtrain from a 2009 Audi 2.0L I4 Turbo engine to check out the ...
The Drive

BMW Motorrad Introduces Boxer Engine With ShiftCam Variable Valve Timing

Variable valve timing isn’t necessarily a new idea, but it is new to BMW motorcycles. With a freshly designed 1,254 cc two-cylinder flat engine, VVT is arriving in BMW bikes for the first time with an ...
Motor Authority

Fully digital valves could change the future of the combustion engine

The hunt for efficient engine valve technology can be a never-ending journey into cam timing, various combustion cycles, and lift and duration adjustments. For that reason, some companies believe ...
webBikeWorld

Techy Stuff: Aprilia’s Getting Variable Valve Timing

We’ve just heard that Piaggio Group, parent company to Aprilia, is working on a mechanical variable valve timing (VVT) system – and the first to reap the benefits of the tech will be none other than ...
Car and Driver

Timing Changes: How Honda’s VTEC Variable-Timing System Works

Trademark erosion may not impact the environment, but marketers have noted the lexicographical slide of some brand names into generic labels. Kleenex, Band-Aid, Xerox, and Zamboni (yes, other ...
autoevolution

Variable Valve Timing Helps Chevrolets Breathe Better

Getting air in and exhaust gases out of the combustion chamber under all speeds and driving conditions is essential for a car’s fuel efficiency and low emissions. That’s why virtually all Chevrolet ...
autoweek

This is the future of variable valve timing

Despite current efforts to revisit light-vehicle fuel economy standards enacted during the Obama administration, there have been no changes to the law, and there might not be for years, as the wheels ...

5 signs your timing is off (and what it does to your engine)

Do you have warning lights, misfires, and/or starting trouble? If so, you car's timing belt could be faulty -- it's time to ...
Yahoo Finance

Automotive Dual Variable Valve Timing Market size is set to grow by USD 13.38 billion from 2024-2028, Increasing demand for fuel-efficient vehicles boost the market, Technavio

AISIN CORP., BorgWarner Inc., Cummins Inc., DENSO Corp., Eaton Corp. Plc, Ford Motor Co., General Motors Co., Hitachi Ltd., Honda Motor Co. Ltd., Hyundai Motor Co ...