Category Archives: Diesel Engine Modifications and Technical Articles

4BT Vs. 6BT Cummins: Which Is The Better Swap Candidate?

By Featured Writer: Mike McGlothlin There’s no question that diesel swaps have become commonplace in cars, trucks, and off-road culture in recent years, and the Cummins name is at the top of the most desirable candidates you’ll find. But of the six-cylinder or four-cylinder B-series variety, which mechanical-injection power plant is a better choice? For…

6BT vs. ISB: Comparing the P-pumped 12-Valve Cummins To Its 24-Valve Successor

By Featured Writer: Mike McGlothlin The promise of medium-duty capability in a light-duty application has always made the 12-valve 6BT 5.9L Cummins an easy sell for Dodge Ram 2500 and 3500 owners. The cast-iron inline-six is about as robust as an anvil, features a simple 2-valve per cylinder design, and—thanks to having the kind of…

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…

4BT Extended Longblock (Bosch Injectors)

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Category Archives: Diesel Engine Modifications and Technical Articles

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