There’s just something about an American inline-six. Maybe it’s because I’ve heard the words “small-block Chevy” more times than I’ve heard my own name throughout my life, but the easy-power V8s just ...

As far as I’m concerned, the Plymouth Duster went from pretty to "meh" over the span of its overall life cycle. Early 70s models looked more rugged than their mid-70s counterparts, and the crossover ...

Jeep’s 4.0-liter straight-six engine is iconic. Much like the Ford 300, it’s a down-and-dirty truck engine that stayed in production for decades. Also like the Ford 300, it can make a ton of power ...

In our last installment, we assembled an aluminum block Hyper-Pak Slant Six packing 223.3 hp at 5,400 rpm and 280 lb-ft of torque at 3,700. It's got enough suds to run with the V8s and propel any ...