I put my straight-piped Cummins to the test using a decibel reader to see how loud it actually is inside the cab, outside at the exhaust, and even from inside the house. The results were surprising ...

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 ...