A twin-turbo is an arrangement whereby an engine is equipped with a pair of turbochargers. This type of setup was first sported by the potent-yet-largely-forgotten Maserati Biturbo (pictured above ...

On the downside, the LSY won’t deliver the Cadillac XT4 -matching 237 horsepower. General Motors will limit the engine to 230 horsepower, matching the 2020 GMC Acadia with the 2.0-liter turbo.

There are several advantages that the patent lays out on the reasoning for this radical integration of turbo and head. The most obvious part is reduction in parts, as you remove the manifold and ...

Many car enthusiasts love the idea of adding or upgrading a turbocharger. Bolt-on turbo kit, and all that. Can it hurt your ...

Obviously, the Hooker manifolds needed a turbo to provide boost, so we grabbed our tried-and-true (1,100-plus-hp) 7675 turbo from Precision. Though it's overkill for this stock 5.3, the T4 turbo ...

Volvo Trucks North America says its D13TC engine’s turbo compounding unit will add 50 horsepower through waste heat recovery and will improve fuel efficiency by 7.5%. The com­pany believes the ...

As an example of a good V6 engine, Duttweiler says he built a V6 turbo Buick with a 215-degree-at-0.050 intake lobe camshaft that made 900 lb-ft of torque and 580 hp and idled at 16 inches of ...