If you feel your Toyota VVTi engine low on power, one cause must be the combustion chamber’s tightness. And there are two things that can go wrong with it - loose valves or worn out piston rings. Here ...

The oil pan's role on a Toyota VVTi or any other engine is to collect the lubricating oil falling from its components to be absorbed back by the oil pump and recirculated. Due to its position at the ...

With a great engine and lots of potential, the RunX RSI should have been a hit. However, Toyota’s hot hatch experiment failed ...

Decades ago (OK, half a century or more), there was a product advertised in many of the performance magazines called the Varicam. The idea was a set of springs attached to a centrifugal device that ...

As emissions regulations get tighter, congestion gets worse and consumers demand better fuel consumption from their cars, manufacturers are being forced to delve deep into their engineering kitbag for ...

GM Powertrain announced today it will deliver a 3.6-liter V-6 gasoline engine with direct injection and variable valve timing (VVT) technologies in the 2008 model year. A vehicle application will be ...

Calling Toyota an automotive icon almost feels like an undersell at this point. It's produced some of the most reliable vehicles throughout history, and has staple vehicles through all sorts of ...

With naturally aspirated engines quickly dying out, finding one in a new vehicle is harder than ever. Here are the most ...

Toyota has confirmed it will join the Repco Supercars Championship with a 5.2-litre V8 engine. The Japanese powerhouse will ...

Toyota has just unveiled two new small engines that it says are more fuel efficient than previous engines thanks to a number of tricks and technologies pulled from its hybrid powertrains. The engines, ...