Rob Dahm, notorious rotary-powered car builder, has firmly jumped into the deep end of the pool with his latest project: The ...

The all-new 6.7-liter Cummins High-Output Turbo Diesel is rated at 430 horsepower and 1,075 lb.-ft. of torque. A redesigned ...

The all-new 6.7-liter Cummins High-Output Turbo Diesel is rated at 430 horsepower and 1,075 lb.-ft. of torque. A redesigned ...

Superchargers and turbochargers have become increasingly popular over the past few decades, what’s the difference?

Having done struts on a Jeep before, you shouldn’t be in for too tough a job. Just remember that everything will be rustier ...

The Manhart MH2 500 II offers additional horsepower stages for even more tire-spinnery. It won't even tell you how much those ...

It features a redesigned block and head, heavy-duty pistons, a new turbo, higher-pressure fuel system, and intake manifold, and larger intake and exhaust valves for improved port flow. The diesel ...

“It's hard to talk about a Ram Heavy Duty truck without bringing in the Cummins turbo diesel engine ... by building the engine’s intake manifold from cast aluminum instead of cast iron.

Here are seven powerful non-turbo cars with naturally aspirated ... The V12-R uses an upgraded intake manifold, new camshafts, and a revised exhaust system to generate its 900 horses.

Rob Dahm is refining the unique 15.7-liter Y12 rotary engine, originally designed by Tyson Garvin as a twelve-rotor ...

Ram says this new Cummins engine features a redesigned block and head, a new turbo, intake manifold and improved high-pressure fuel system. And there's good news for those who live in extra-cold ...

A redesigned block and head, heavy-duty pistons, a new performance intake manifold, a new turbo, larger intake/exhaust valves for improved port flow, and a higher-pressure fuel system enhance the ...