Variable valve timing (VVT) and variable valve lift (VVL) have very similar names, both referring to variable valve performance. Does that mean that they are basically the same thing? The are most ...

Since the beginning of hot rodding, gearheads have endeavored to increase the performance of internal combustion engines through the optimization of valve timing. It's been proven time after time that ...

What is the Corolla Altis Dual VVT-i about? The Indonesian market has a firm relation with Toyota vehicles and Japanese manufacturer has dropped yet another variant of the best selling Corolla Altis ...

Harley-Davidson has filed a patent application for a variable valve timing (VVT) V-twin engine, possibly for the Sportster to improve economy and reduce emissions. The iconic American manufacturer has ...

If your engine oil has not been changed on schedule, it could damage the VVT-i system. Change engine oil as recommended by your mechanic or the car manufacturer. Courtesy Photo It is obvious that with ...

New Volkswagen ID. Cross: 278-mile electric SUV is gunning for Renault 4 New Volkswagen ID. Cross: 278-mile electric SUV is gunning for Renault 4 The new all-electric Volkswagen ID. Cross is here to ...

Car Deal of the Day: Form an orderly queue – Audi Q7 for under £550 a month Car Deal of the Day: Form an orderly queue – Audi Q7 for under £550 a month With big SUV set for imminent replacement, now’s ...

Engines range from 1.0 VVT-i to 1.4 D-4D Readers report Real MPG to be between 41–79 mpg Get going and the variable assistance electric power steering is very light, yet still transmits reasonable ...

On most versions of the Yaris, the handling is capable, if a little uninspiring. Engines range from 1.0 VVT-i to 1.8 VVT-i Readers report Real MPG to be between 33–75 mpg Most versions of the Yaris ...