In my 35-plus years of working on cars, I have encountered nearly every frustrating troubleshooting problem in the book. Part of the issue stems from my affinity for old Jeeps and classic cars, which ...

SpaceX has notched up another milestone in the development of Starship, fixing its Raptor Vacuum engine to the spacecraft and test-firing it for the first time. This marks another important step in ...

The last time we had this 470-inch Mopar big block on the dyno, it made 751 hp with Trick Flow heads and a dry sump oiling system. The dry sump setup that we used for those tests worked great, but it ...

Alliant Techsystems recently demonstrated a critical capability of its liquid oxygen (LOX)/Methane rocket engine by igniting it in a vacuum chamber. The successful ignition test was designed to ...

Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET. When not wallowing in weird gear and iPad apps for cats, she can be found tinkering with her 1956 DeSoto. SpaceX ...

You just put your new crate engine together and your adrenaline is pumping. Pump the throttle, turn the key, and… the thing runs like a total dog. It idles fine, but as soon as you step on the ...

"Kickdown" and "TV" cables aren't really the same thing. Let's take it from the top: Many old-school automatic transmissions use both a governor and a vacuum modulator to help regulate automatic shift ...

The SpaceX video shows 15 seconds of the Raptor Vacuum engine spewing a jet of scorching gas. The Raptor Vacuum is a variant of the firm's Raptor family of engines designed for use in space. The ...

Nothing like a mach diamond on a Monday morning. SpaceX has fired up its Raptor Vacuum engine, conducting a full-duration test at its rocket development and testing facility in McGregor, Texas. Watch ...