Three-cylinder diesel engines have not disappeared from the market, but they now occupy a narrower, more specialized corner of the powertrain world than they did a decade ago. They continue to be ...

Meet the Birotary, a crazy new and complicated engine that has three cylinders arranged like a star, a rotating block, a ...

Last month, we took you through the tear down and inspection of Gary Schweitzer's '65 200ci six-cylinder engine at JGM Performance Engineering. We learned during the process that 35,000 original miles ...

Chrysler Group dealers are replacing malfunctioning cylinder heads on a small percentage of 3.6-liter Pentastar V6 engines. And a recent shortage of replacement heads means some customers have been ...

Toyota's Gazoo Racing Heritage Parts division is adding cylinder heads and engine blocks to its list of replacement parts. Built for the AE86-chassis Corolla, these parts will make restorations a bit ...

Or, you can just run the engine really, really fast, cranking the RPMs up and bumping the power output simply by pushing the ...

New cylinder head designs are not something you see everyday. Even when something new does come out, it's normally adapted from something else, be it a race head or a more exotic engine. The trickle ...

Toyota's new AE86 engine parts have been machined to greater precision with better materials than their original '80s counterparts. In this case, AE86 owners who need new cylinder head and block ...

The mind-bending world of birotary engines - a hybrid of piston and rotary technology that could revolutionize aviation. But ...