If you're looking at the Cummins 4BT and 6BT engines for a potential swap, there are a few things you need to know. Right off the bat, both of these are formidable diesel engines, so no matter which ...

"The truck had already survived with a 454, so I felt with a little bit of work I could make the frame stronger and put an old reliable Cummins under the hood." After half a year's worth of research, ...