Have you heard? The old rules about cylinder-head flow are changing. It's not strictly about airflow anymore. If you're serious about making horsepower or at least knowing what the big dogs are doing ...

Cylinder head porting is often equated with time and expense, and we've all heard horror stories about porting through the casting and ruining the cylinder head. For these reasons, many enthusiasts ...

In this month's Power Principles installment, we conclude our series on engine building basics. In the Feb. '12 issue of MM&F, we stressed the importance of developing a clear, underlying goal as far ...

Multidimensional computations were carried out to simulate the in-cylinder fuel/air mixing process of a direct-injection spark-ignition engine using a modified version of the KTVA-3 code. A hollow ...

One of the quickest and easiest ways to improve your truck's performance is to modify the intake system to increase airflow and reduce pumping losses. This allows an engine to produce more power ...