With the short block assembled for our 383 supercharged project motor, it's time to shift our attention once again; this time to the heads and valvetrain. Like the rotating assembly, when it came to ...

For years, the standard operating procedure for testing new components or ideas has been to eliminate every variable possible, make one small change, and evaluate how that affects performance. It's ...

One way to improve diesel engine performance and to reduce emissions is improving power density and combustion cycle efficiency. It can be done by increasing combustion pressure and engine speed ...

NASCAR Cup engines live in a strange space: they are tightly regulated, largely hand built, and expected to survive hours at ...

Ferrea engineered valvetrain upgrades for the Ford 7.3-liter V8. Its Competition Plus series components are designed for ...

Ever hear the saying "ignorance is bliss"? When it comes to the valvetrain on my Real Street pushrod engine, it might be true. For about a year, we've been looking for an opportunity to look at our ...

This is a preview. Log in through your library . Abstract ABSTRACT In this paper, a simultaneous design and development work for a diesel engine valvetrain system is presented. The rocker arm is one ...

Combustion engine valvetrains have evolved over time. While flathead and overhead valve designs were more popular in the past, most modern engines run overhead cam designs. Three common combustion ...

Cut valvetrain weight and scream past redline. PBM's titanium valves for Chevy and Ford heads stabilize high-revving race ...

NHTSA is investigating 2021 model year Ford Bronco SUVs due t reports of catastrophic engine failure. The failure point allegedly stems from valves dropping into their respective cylinders and causing ...