As good as the 5.9-liter Cummins engine is, it could do with the nicer variable geometry turbo from the newer 6.7-liter. Is it possible to do that?

Every diesel-head knows about Cummins engines — specifically, the six-cylinder Cummins 5.9-liter and 6.7-liter engines. But given how popular these engines are, we won't blame you if you didn't know ...