The story of how Honda developed an oval-piston race engine that ultimately failed but still made history along the way.

Automotive giant General Motors has filed patents for a two-stroke engine of the type whose excess emissions took it off the road decades ago as a technology seen as having no future.The patent is for ...

The five-cylinder motorcycle is rarer than getting a great deal on a vacation during the holiday season. Here are some that ...

What could possibly go wrong if you use automotive oil in a motorcycle engine? These are the key differences between ...

The reasons inline-5 engines are usually incompatible with carburetors largely come down to two issues: the firing order and which cylinder gets fuel first.

The cross-plane crankshaft typically incorporates a longer stroke than the flat-plane crankshaft. A longer stroke generally ...

The Ford TorqShift 10R140 is generally more dependable and stronger than GM's Allison 10L1000, but its recency has led it to ...

Engine cylinders can misfire for many reasons. There are four causes in particular that you should be aware of; here's what ...

From the 6-wheeled Tyrrell to the Chaparral sucker car, discover 5 of the weirdest race cars ever made. See the tech that ...

Andrew Scites bought a 1970's Sidewinder amphibious ATV and, after building a camper on top and fixing the engine, took it out and it worked ...