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Category Archives: Best 4BT and 6BT Turbochargers

The Beginner’s Guide To Twin Turbos

By Featured Writer Mike McGlothlin How many of us still call a tissue a Kleenex or have that one relative who refers to every type of soda as a “coke?” We’ve all generalized words in our lives, and in most instances it’s harmless. But within the automotive world—and especially in the diesel realm, where turbochargers…
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What Turbo Is On The 8.3L Cummins?

By Featured Writer Mike McGlothlin In the medium-duty segment, the all-iron, wet-sleeve 8.3L Cummins is renowned for its workhorse nature, where million-mile durability can be had in any bus, motor home, fire engine, or garbage truck it resides in. Specifically, the mechanical injection 6CT—produced for on-highway applications from 1985 to 1998—enjoys a sound reputation for…
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How (and Why) the 4BT Cummins Is So Popular

By Featured Writer: Mike McGlothlin If it fits, it ships—but if it outperforms, outruns, and outlasts everything else at the same time then it’s probably worth having. We’re referring to the 4BT Cummins, of course. With its packageable dimensions, abundance of low-rpm torque, overland-friendly fuel efficiency, and decades-long durability it’s become a household name in…
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The Best Turbocharger for the 4BT and 6BT Engine

When looking at more horsepower and torque for a Cummins 4BT or 6BT Performance mod you are definitely going to want to focus on a larger turbo or setting up a twin turbo situation. For the laymen out there, a turbocharger compresses the air flowing into the diesel engine, squeezing more air into the cylinder,…
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