There are a number of different materials camshafts are made from.

Comp Cams explains the differences and reasoning for each different material in its lineup.

Gale Banks is once again going down a new road, developing an insane twin-turbo, screw-supercharged Duramax.

It's been a long journey, and now all that's left is building a new dyno capable of handling its power.

Variable valve lift and variable valve timing have been around for quite a while.

Now, the code has been cracked for mass-produced mechanical continuously variable valve duration.

Richard Holdener sets out to see if his destroked LS3 engine makes the high-RPM horsepower he hopes.

While a short-stroke length does reduce piston speed, that's not the limiting factor for high-RPM these days.

Unlike the previous-generation NSX's C-series V6, this model's engine is 100-percent purpose-driven.

From the cylinder-bank angle to how the engine is balanced, Acura looked to both the street and racetrack.

Big bore or long-stroke — which engine design makes more power and which is more efficient?

Jason Fenske of Engineering Explained runs the numbers to find out, and explains the science behind it.

While not the final word in the Carb vs. EFI debate, this test of a unique EFI system by Keith Dorton has interesting results.

The dyno tests of the two identical engines prove that airflow is king.

The pattern left by your rocker tip on the tip of your valve can tell you how your valvetrain is performing, and warn of impending issues.

Zeke Urrutia of Ferrea Racing Components explains valve-tip patterns.

The SEMA Ignited 2019 Show invites car fans in Las Vegas area to see the best cars and trucks from the show.

Ticket prices announced are $20 for basic and $75 for a VIP pass.

The B58 3.0-liter turbocharged inline-six-cylinder engine powering the 2020 Toyota Supra has some huge shoes to fill.

Besides the comparisons to the 2JZ, it will have to impress a new generation of enthusiasts.