When you think about it, everything in the valvetrain between the camshaft and the valve is little more than a high-tech telephone line. All the parts and pieces-the springs, the retainers, the ...

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.) ...

Ford pushrod V8s served many a driver for decades in a veritable buffet of displacements from 1952 through 2001 (until Ford brought them back for the 7.3-liter Godzilla in 2020). In the early 1990s, ...

Less than 70k miles in, a Ford Godzilla V8 shows rust, scored bores, and a ruined cam, highlighting known issues with the modern pushrod design. Yet reports of spark plug and lifter failures have ...

OHV stands for overhead valve, and these types of powerplants can also be called pushrod engines. OHV engines have the intake and exhaust valves located above the camshaft, which is in the engine ...

General Motors has filed a new patent that offers a look at how the company may be rethinking cylinder deactivation for its next generation of pushrod engines. The application, published by the U.S.

GM has filed a patent application a variable displacement valvetrain system with rocker shaft porting and insert sleeves for engine cylinder deactivation.

We look back at one of Ford's most legendary engine nameplates, its significance, and how it has evolved over the generations ...