Exhaust manifold bolts help form a seal between the block and the manifold. However, these bolts can fail over time. Here's ...

GM Ecotec engines face timing chain failures, oil consumption issues, and exhaust manifold problems that cost thousands in ...

The engines that power the vehicles we drive are exceptional machines. They're capable of generating insane amounts of power in a relatively confined space, and they can generally be expected to ...

Now that we have a better understanding of why headers work, the question now becomes do they work in the presence of boost? To find out, we decided to run a series of tests by comparing headers ...

An integrated Exhaust Manifold, or "headifold," is an exhaust manifold cast into an engine's cylinder head and cooled by antifreeze. This type of design, where the exhaust manifold is no longer a ...

Due out in the 2012 Chevrolet Camaro V6, General Motors has developed a new head design for its latest direct-injection 3.6-litre V6 engine. It incorporates an integrated exhaust manifold in the head ...

Welcome back to our series on properly diagnosing mechanical problems rather than blindly chucking money at replacement parts hoping to stumble on a fix. Granted, a cracked exhaust manifold doesn’t ...