Call us
Due to the global COVID-19 supply chain issues please expect longer than normal lead times and increased shipping costs, thank you.

Category Archives: Off-Roading Tips

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…
Read more

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…
Read more

Are Gas or Diesel Engines Better for Off-Roading?

Gas or Diesel Engines for Off Roading? First, We all know the Cummins 4BT is considered King of Hill when it comes to off-roading diesel engines. The low end torque output mixed with the reliability of a Cummins Industrial Engine can't be beat. That being said we are opened minded here at Big Bear... we…
Read more

Dana 44 Axles vs. Dana 60s

An In-depth Comparison Between the Dana 44 and Dana 60 Axle You’re into serious and sometimes extreme off roading so what axle you have beneath your truck is pretty important. Dana have been making heavy duty axles since the late 1940s and is still today a market leader and number one choice for owners of…
Read more

Best Axles for an Off-Roading Jeep Equipped with a 4BT

Let’s talk about axles... If you’re into off-roading in a Jeep you might be pretty much up-to-speed when it comes to axles and which are the best to use - or are you? For the uninformed, all wheeled vehicles have axles and they’re used for steering, driving, and braking, so they’re pretty important. The axles…
Read more

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,…
Read more

Jeep’s New Pickup “The Scrambler”

Well Hot Dog! News broke recently that a new flagship pickup concept known as the Jeep Wrangler "Scrambler" will finally be introduced to the North American Market. The guys over at Chrysler are pulling some concepts straight from Jeep's 1950s Military M37 Days. It’s been over 4 years of rumors but more and more info…
Read more

Best 4BT Swap Transmisson Review: New Venture NV4500

NV4500 History The NV4500 and consequently the NV5600 transmissions are some of the best that have ever been produced for heavy duty trucks. These transmissions are regarded as the “gold standard” for guys doing a Jeep or Bronco 4BT Engine Swap. The NV4500 came into existence out of sheer necessity. From 1989-1993 Chrysler used the…
Read more

15 Off-Roading Tips For Beginners

Going off-roading for the first time can be an exhilarating adventure into both speed an extreme maneuvering in tricky situations. Like with anything in nature, off-roading must be respected. For a beginner looking to start his or her journey into the backcountry it is imperative to take the time and learn about your vehicle, the…
Read more

×

Need Help Researching an Engine Swap?

Get our FREE 10-Page Buyer's Guide

    I am looking for an