Direct Connection’s Hellephant A30 426 crate HEMI is on sale. Factory-rated 1,000 hp and 950 lb-ft at $34,995 MSRP.

Dyno carnage is nothing new, but it’s usually the car that explodes spectacularly. That wasn’t the case at Nelson Racing Engines’ headquarters in California when a twin-turbo V8 pull went wrong, ...

It’s Dyno Day for the legendary ARDUN heads — but how much horsepower do they really add? In this video, we put these iconic heads to the test on the dyno to measure their performance boost. With a ...

Athletes can measure the performance of their heart and lungs on a treadmill, but testing the motor efficiency and emissions of a skid loader requires a much bigger setup. Iowa State University's ...