Category Archives: Cummins P7100 Injection Pump – Performance P7100 Injection Pump
Dive into the intricacies of the Cummins P7100 injection pump system at Big Bear Engine Company. Discover insights and expert articles on the Performance P7100 injection pumps today!

VE Pump Versus P-Pump: Inside The Most Popular 4BT and 6BT Cummins Injection Pumps

By Featured Writer: Mike McGlothlin Distributor style vs. individual plunger, VE pump versus P-pump (P7100). This is a common comparison for anyone new to the 4BT or 6BT Cummins game. The truth is that both engines have employed versions of either Bosch injection pump over the years. As for the 4BT, the VE pump is highly…

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, reliable, provides unmatched low rpm torque, and can double a vehicle’s fuel economy. No wonder the 4BT Cummins has become one of the premier diesel engines for swap projects. Perhaps no other group of enthusiasts has taken to the industrial strength 3.9L Cummins quite like Jeep Wrangler owners.…

P7100 Fuel Pump Modifications for the 8 Valve 4BT

4BT Engine History and Background The Cummins 4BT has mostly been utilized in applications such as box trucks, small industrial vehicles and agricultural equipment. The 4BT is pretty much just a downsized version of the famous 5.9L 12V Cummins as these engines share almost all of their parts such as pistons, connecting rods, injectors and…