This makes it harder for a 6.7L Cummins engine to perform at its best, if at all. This is where an engine block heater comes in handy. A block heater is one of the best ways to start your diesel ...

plus a specialized 6.7 Cummins for underground mining used in Ram pickup trucks. For chassis cab models, there are two short-block and three long-block part numbers covering the entire range.

In this article, we'll explore the power-maximizing potential of Cummins air intake horn upgrades using SPELAB 6.7 intake ...