Brian Hays of Ridgecrest, California, purchased this ’84 GMC Jimmy from a used car dealership in southeastern Washington in 2008. And it was very used. The rig had 300,000 miles on it and the 6.2L ...

If you're searching for information about the Cummins 4BT diesel engine and how it differs from the 6BT, you likely fall into one of three camps. Camp one enjoys reading about obscure diesel engines.

Want your ride featured on HOT ROD?Click hereto find out how! Growing up in the 1970s, Jeff Hyatt wasn't like all the other car guys his age; he wasn't really into the whole muscle car thing. For him, ...

Imagine one day, years ago, in some equipment shed out in Middle America, an innovative farmer looking at oil dripping from the bottom of the well-seasoned 5.9L Cummins engine in his Dodge Ram pickup ...