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 ...

Normally, you don’t have to maintenance the camshafts or valves in a Toyota VVTi engine's lifetime, as they are built to last for a long period. However, if something goes wrong and you need to do it, ...

Toyota has long been an industry standard bearer in the automotive performance world. Toyota represents one of the best-selling brands in the United States, with a roughly 15% market share overall and ...

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 ...

With the 2010 Tundra Toyota Trucks introduce a new small V8 engine plus a new six-speed transmission in place of the previous five-speed unit. The new 4.6-liter V8 engine of the 2010 Toyota Tundra ...

Once upon a time, picking a cam for a given engine combo was all about compromise: improve top-end power at the expense of low-end torque, run well at wide-open throttle but sacrifice idle stability ...

Toyota has kept one of its workhorse four-cylinder engines in production for roughly a quarter of a century, an unusually ...