Make note of it, bigger is better isn't a mantra for the weak-hearted and such is the case when it comes to cylinder head technology. For years, Airflow Research (AFR) has been synonymous with ...

If size is the only thing that matters, then big-block Fords would dominate the street/strip world. They don't. At least not yet, but big changes are on the horizon thanks to Air Flow Research. Most ...

Here is a fact that every big-block Chevy enthusiast knows (or thinks they know): Oval port heads are only good for low-rpm, low-horsepower passenger cars and trucks and rectangle-port heads are for ...