Volvo's new XE13 and Eco-Torque powertrain packages will make a big difference to drivers in ways they will never know — and a few they will. What a difference a little extra engine torque makes. I ...

We all like to go faster, but the path to lower e.t. 's isn't always through engine upgrades. There's performance to be found in the remainder of the drivetrain as well. Adding a higher-rpm stall ...

We put both engines on the dyno to see which made more horsepower and torque. It didn’t go as planned. Over the past year, we assembled two very mild small-blocks aimed at the typical hot-rodder ...

Daud Gonzalez is a lifelong car enthusiast and automotive writer with a specialty in modified and race-ready rides. He spends most of his time modifying his cars and ruining them in the process. He is ...

Far less expensive than its diesel counterpart, the 7.3-liter gas F-250 is still plenty quick and capable.

Engine power is a product of its overall displacement, but two similarly-sized engines with different bore and stroke ...