As complicated as engines can be, they are remarkably resilient. When it comes to valvetrain stability, it's critical to get the tolerances correct for the utmost power and longevity. This means ...

One of the most overlooked areas within the valvetrain for a performance engine is pushrod length. Veteran enthusiasts may scoff at this because, back in the day, you just dropped in a set of stock ...

Light checker springs or your combo's actual springs? For determining the right pushrod length, each has its pros and cons. Gee, Kenny. I don't know. It depends how cute the spring is. (Groan.) ...