Correct valvetrain geometry is critical to ensure trouble-free operation of an engine, especially during high-rpm operation. When building a new engine, many people simply reuse the original pushrods ...

Engine failures that many racers blame on the connecting rods are often actually installation mistakes. When their characteristics are correctly understood, connecting rods can be one of the strongest ...

We often talk about how easy it is to make horsepower these days, giving praise to cylinder heads and camshaft technology, but if it wasn’t for tough bottom end parts, such as the modern aftermarket ...