We followed along on Ahlberg's camshaft swap to give you an idea of what it takes to install a new cam in a 5.9L Cummins. See All 11 Photos See All 11 Photos Not only are cam swaps time consuming ...

We did our cam swap in about an hour on a chassis dyno, using air tools; an in-car installation with hand tools takes a bit more time. The first step requires removing and labeling anything in ...