A test flight of a Cirrus SR22 with a Continental TSIO-550 engine using 94UL unleaded fuel showed promising results, exceeding performance in some areas compared to 100LL. Continental Motors is ...

Unless you drive a rotary-powered Mazda, the characteristics of your gasoline or diesel engine are largely defined by its bore (the width or diameter of the cylinders) and stroke (the distance the ...

The test truck was the International TranStar in the new nomenclature - 8600 in the past. But the other new badges, high on the side of the hood, told the story: MaxxForce. This tractor was one of the ...

Navistar announced a $125 million investment in its Huntsville, Alabama, engine plant as part of a plan to begin producing next-generation big-bore diesel engines developed with its European partner, ...

Jack Baruth at Road & Track has taken a deep dive into Motus’ small block LS-based V4 engine and the possibilities of such a powertrain—and boy, are the possibilities endless. For the uninitiated, ...

The Pro Line Racing 481X powerplant begins as a big chunk of billet aluminum that's whittled down by Alan Johnson Performance Engineering (AJPE). It was designed for Top Alcohol Dragster and Funny Car ...