It's no secret that the diesel engine has been the go-to option in a variety of vehicles for powerful torque, longevity, and reliability over the years. There are some great examples of the most ...

Most of us are old enough to remember the '80s. Those of us who aren't still remember the '80s diesel cars going 40 in the fast lane, belching smoke, and clattering like mad in the 90s and beyond.

Granted, not every one of these engine-swap candidates will fit the budget or chassis of every Jeep out there, but in our opinion, they're some of the best engines you can sling between your ...