Many modern cars come equipped with turbochargers. that means it's critical to be able to identify a problem with your turbo ...

Adding real horsepower without tearing your car down to the firewall is not a fantasy. With the right mix of tuning, airflow, fueling and exhaust work, it is possible to unlock serious gains while ...

The use of a dyno to measure horsepower and torque is a valuable tool for the racer. If you use the dyno just to see what kind of torque and horsepower numbers your engine is developing, that may be ...

Last month HPP introduced to the readers a '64 421 H.O. Tri-Power engine buildup being performed by Jim Taylor. The goal of the project is to try and find 100 additional horsepower in a cast-iron ...

It’s been well over a year since we did a street cam test on the VQ35 to show you the kind of power that a set of extremely streetable cams can make with an uncorked engine. Now we’ve stepped into the ...

Davies has had a keen interest in cars from a very young age. It didn't matter what kind of car it was, as long as it had four wheels and made some cool noises, he was into it. His interest in cars ...

Hyundai is developing a high-efficiency, high-performance mid-engine sports car engine. An engineer mentioned a new Genesis engine focused on emissions reduction and lightweight design. No production ...