A 6.7L Power Stroke teardown uncovers shocking internal damage hidden inside a 200K-mile Ford F-250 diesel bought at auction.

When it comes to debating the best diesel engines ever put into pickup trucks, it doesn't take long for Ford Power Stroke models like the 7.3L and 6.7L (not to be confused with the 6.7L Cummins diesel ...

Both Cummins and Ford offer 6.7-liter diesel engines. They share a few similarities, but those don't go much further than their displacements.

So, you need a heavy-duty pickup truck, and have decided on something that adorns the legendary Blue Oval badge. However, Ford offers two compelling engine options, and you're not sure which direction ...