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 ...

Hot rod builds a mouse trap and tries to catch a rat. Originally published in the August 1998 issue of Hot Rod magazine. To celebrate HOT ROD's 75th anniversary, we teamed up with CASTROL GTX to bring ...

The new 6.7L V8 LS6 delivers 520 pound-feet of torque, with GM claiming the highest production torque of a naturally aspirated V8 ever - a bold claim, no doubt.

Dynamometer tests are used to measure a car's torque and rpm response. But how do they get that information? And how reliable is what they get?

The modern era of mass-market affordable turbocharging began in the 1990s with the arrival of VW and Audi's 1.8 Turbo and 2.7 Twin-Turbo engines. For the first time, manufacturers were talking about ...