From Street Stock to Winston Cup, the three most important areas for engine performance improvements are cylinder heads, valvetrains, and intake manifolds. In particular, cylinder heads affect most ...

Cylinder head failures are very dangerous and very expensive, so it's important to recognize the key signs early. Here's what ...

Oxymoron. Webster's dictionary defines this word as: "a combination of contradictory or incongruous words (as cruel kindness); broadly: something (as a concept) that is made up of contradictory or ...

We have already discussed here a wide list of procedures you can do yourself on your Toyota VVTi engine, from removing the valve cover to the crankshaft. In this article, our focus will be on how to ...

Toyota Gazoo Racing created a modernized block and heads for the iconic AE86. Toyota’s 4A-GE four-cylinder is a legend. This twin-cam, four-valve 1.6-liter engine found a home in many of Toyota’s best ...

Horse Sense:New small-block cylinder heads just keep coming. We've lost count, but there are, or have been, around 40 aftermarket cylinder heads since the 5.0 H.O. engine made the scene. A long time ...