1zz-fe

I took apart the VVT gear on my Corolla to see how it works. I made a video of the breakdown and explanation: Varying the valve timing on a camshaft will decrease emissions at lower engine RPM, and provide more power at higher RPM. Here’s a quick overview of the breakdown The engine head...

Couldn't think of a better place to ask this question. Very briefly I owned a Celica with a 1ZZ-FE engine, learned that the engine design for at least that year was problematic; the oil burning even gums up the catalytic converter, so you replace the engine and the converter or it would likely...