Want to know how healthy or unhealthy your engine really is? Get yourself a compression tester and find out. Despite how complex many modern vehicles are, you can do many common repair and maintenance ...

Horsepower and torque are all about cylinder pressure. Compression ratio, cam timing, cylinder head flow, and all the rest of the goodies that go into an engine aren't worth much if what enters the ...

A couple of weeks ago, I wrote the autopsy report on the small-block Chevy that lived briefly within the engine compartment of Truck Norris, my 1967 Chevy C10. It ...

An error has occurred. Please try again. With a The Portland Press Herald subscription, you can gift 5 articles each month. It looks like you do not have any active ...

Rob Morehead snaked a camera on a cable up the rocket engine’s nozzle looking for anomalies caused during the combustion of supercold liquid oxygen and liquid methane. He ran his fingers along the ...

New jet engines have the potential to boost GE Aviation's revenue General Electric Company's (GE) aviation arm announced that it has successfully completed a ground test operating its Passport ...

Relativity will expand its presence at NASA's Stennis Space Center with additional test stands and offices to support work on its Aeon R engine. Credit: Relativity Space WASHINGTON — Launch vehicle ...

We've all heard of Cosworth's three-cylinder engine test bed, used to develop the 1,000-horsepower V12 for the Aston Martin Valkyrie. Dedicated Cosworth fans may even have seen the company's other ...

With the completion of another single-engine RS-25 development test, Aerojet Rocketdyne is now refurbishing five engines at the Stennis Space Center in Mississippi for their next use. After the second ...