A twin-scroll turbo, on the other hand, is a single turbo that's designed to do that same job, with a body split into two such channels. There are several benefits to this arrangement over ...

This means that variable twin-scroll turbochargers could be feasible for use in a wide range of vehicles at a reasonable price point. Follow Motor Authority on Facebook , Twitter and YouTube . Tags: ...

Because they've managed to get the output of the single twin-scroll turbo to match the twin-turbo's at 300 horsepower, and just as much torque at 300 pound-feet, but it does it 100 rpm earlier.

Much of BMW's U.S. market lineup is making the switch to a 2011 model year designation early this spring with the highlight being a new version of the 3.0-liter inline-six cylinder engine dubbed N55.

BBR has created a Stage 1 turbo package for the ND generation MX-5 Miata, promising to squeeze 248 hp and 236 lb-ft of torque from the Mazda roadster's 2.0-liter engine.

The newest version of the most powerful Panamera features an enhanced twin-turbocharged 4.0-liter V-8, which trades its previous twin-scroll turbo for a single-scroll design that Porsche says ...

The Ralliart's engine differs primarily in its use of a single-scroll turbo rather than the Evo's twin-scroll unit. Mitsu utilizes an air-to-air intercooler that's about 54-percent smaller, too.

It packs a single twin-scroll turbo and produces 365 Nm of torque at only 1,200 rpm. The unit powers F-PACE from 0 to 100 km/h (62 mph) ...