Category Archives: P7100 Fuel System

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…

What’s Required to Outfit Your Jeep Wrangler With A 4BT Cummins

By Featured Writer: Mike McGlothlin It’s durable, it’s reliable, it provides unmatched off-idle torque, and it can double a vehicle’s fuel economy. No wonder the 4BT Cummins has become one of the premier engines for swap projects. And perhaps no other group of enthusiasts has taken to the industrial strength 3.9L diesel quite like Jeep…

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Category Archives: P7100 Fuel System

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