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 ...

Aluminum cylinder heads sometimes get a bad reputation for warping issues. Here's the truth behind these rumors and why aluminum can be more prone to warping.

Nearly everyone has heard the words “head gasket” at some point in their life, but nowhere near that many people actually know what one is or what it does. The head gasket is a seal that lives between ...

Imagine a letter showing up in your mailbox from the company that made your car, requesting you to bring it in for a crucial engine component replacement. That might sound a bit strange, but it’s ...

Now that we've explored the majority of simple, bolt-on parts for the S197 Mustang, the next logical place to turn our collective attention is to the inner working of the engine. And, no matter how ...

I'm in the process of building a 348 Chevy stroker [W-series early big-block] engine with a 4-inch stroke crankshaft, 6.135-inch [center-to-center] H-beam stroker rods, a 0.030-inch overbore, and a 10 ...

There was a “what-if” question addressed a few months ago in our Performance Q&A column that piqued our interest. The question was simple: If you had a set of iron and aluminum cylinder heads that ...