Often overlooked and underappreciated, we look at five of some of the best four-pot mills ever put into production.

While there have been some iconic big-block engines over the last few decades, it's difficult to argue with the success of the small-block engine. Small-block engines not only weigh less — allowing ...

While electric and hybrid power trains are leading in the performance race, when it comes to pure internal combustion engines, you'd think the only way to achieve horsepower heaven would be to get a ...

Cylinders aren't the only feature that contribute to an engine's energetic output, but for good reason, they're the one we've settled on as shorthand. While it's just as accurate to say Corvettes have ...

Toyota has kept one of its workhorse four-cylinder engines in production for roughly a quarter of a century, an unusually long run in an industry that constantly refreshes powertrains to chase ...

In this final installment of HOT ROD's 350-cubic-inch Chevy V-8 engine build series (originally published in October 1989), Steve Anderson breaks down the things to look for and the hard parts you ...

From the October 1987 issue of HOT ROD: A Super Duty conversion kit that could give your Fiero the kind of performance its styling implied. Pontiac's Super Duty 4-cylinder engine has established a ...

The Mercedes-AMG M139 produces 469 hp from just 2.0 liters, making it the most powerful four-cylinder engine you can buy in ...