While 40-year-old engines might not be expected to be the most reliable today, a certain diesel engine has found itself with an incredible reputation.

Bore and stroke are important measurements when it comes to calculating an engines displacement, and the kind of performance an engine offers.

Here's the story of perhaps the most legendary diesel engine ever made, the Cummins 5.9L.

Looking for an affordable car that lasts? These budget-friendly models have proven engines known for reliability, low maintenance costs and long life.

Ever wondered what people are talking about when they say "dual overhead cam"? Don't worry, because we're here to explain it ...