First gear, useless. Second gear? Well, let’s just say you better be holding that steering wheel straight when the boost hits. The noise can only be described as a tearing sound, as the tires just ...

Back in the November '05 issue, we covered the installation of the Hellion Power System 5-liter turbo kit. During that install, we kept glancing to the other side of the shop to check out what the ...

Because the aftermarket has really begun to embrace turbochargers in the domestic market, it seemed logical that someone would make a bolt-in kit for our application. We couldn't find any, however, so ...

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?

In hindsight, this experiment could have been a lot more scientific. For instance, we could have run this cool new turbo kit against the eBay turbos we ran in the Sept. '10 issue. Or, we could have ...