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 ...

At some point in your high-performance life, you've probably owned or known about an engine that just seemed to run great. You know, the kind that made amazing power and that couldn't be hurt, no ...

This may feel like specialist information, but for serious engine builders and home mechanics with a project themselves, checking the pushrod length may be a pain in the neck, but it’s worth doing.