Sometimes we all need a little change in our lives. The same could be said for that camshaft that pumps the valves open and closed in your street engine. What was once state of the art is now obsolete ...

It's common knowledge that most modifications made to an engine involve a tradeoff somewhere in the overall equation. You might want a higher compression ratio, but the trade-off here is a need for ...

The LS1 build takes a major step forward with a camshaft install. In this video, we tear into the front of the engine, line ...

It's been all the talk on internet forums, club meeting hangouts, and in enthusiast garages across the nation—the loss of zinc and other protective "barrier" chemicals in modern oil damaging ...

So far, our LS1 Camshaft Roundup has been exciting and informative, with a slew of ever growing camshafts and go-fast parts finding their way onto an otherwise stock LS1 on the engine dyno at ...

The camshaft is essential to an engine's operation and efficiency in the intricate world of automobile engineering. Engine enthusiasts and professionals often ask, "What is a camshaft ?". This ...

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 ...

Maybe you're one of those drivers who loves to tinker around under the hood. Perhaps, instead, you feel safer hurrying off to a professional whenever something seems amiss. You don't need to be an ...

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 ...