While doing your own engine work often requires some specialized tools and hard work, you don't necessarily have to rely on ...

With free-flowing heads and high-ratio rockers stock, General Motors' LS engine series (and by LS we also include the LQ9, L99, and L92) just cries out for dual-pattern cams with ...

"Even though he has decades of experience building race-wining engines at every level, engine builder Keith Dorton of Automotive Specialists says he still works closely with the camshaft manufactures ...

When modifying any diesel vehicle, there's always the question of "what's next?" In Colton Ahlberg's case, he had already modified his truck with larger injectors, a bigger turbo, modified injection ...

Like most things we're not familiar with, many look at degreeing a camshaft as some sort of black magic voodoo that only the most expensive of engine builders in brightly lit "clean rooms" know how to ...

When it comes to modern internal combustion engines, there are two types that dominate the industry: pushrod and overhead camshaft (OHC). While pushrod engines were the stars of the show for many ...

A British company has developed a digital valvetrain drive system that, it claims, can give petrol engines a diesel-level of efficiency and fuel economy with much lower NOx emissions. The inventors ...

Ian Wright joined CarBuzz as an automotive journalist and photographer in 2018. His career started with specialist publications, covering everything from Harley-Davidson to Ferrari. Before writing for ...

Despite declining sales and revenue in 2025, Harley-Davidson has been the dominant American motorcycle maker for most of its long and illustrious history. Harley has produced a succession of engines ...