MBRP Diesel Jeep – 4 Door JK Truck

[MBRP Tech 1]

We are in the process of beginning a new project, and would like to share our progress with you guys. As many of you know, we have been avid Jeep enthusiasts for many years, and have been in the performance diesel market for even longer… We have decided to take two of our biggest passions, and turn them into our latest project.

The basics of the build will involve installing a 12 valve Cummins out of a ’97 extended cab long box 2500 Dodge pick up, into a stretched 2007 4 door JK unlimited. The end result will be a full 4 door JK with a pick up box. There are many different options for a build like this and we are in the early stages of development at this time. We feel that this Jeep will be something a little different, but really cool and appeal to both our Jeep and Diesel enthusiasts.

A few shots of the donor truck, and new project JK:

[BenFoo]

Will it be something like this......

http://www.dieselpowermag.com/featur..._jk/index.html

[JKBenB]

Thank heavens someone's finally doing a dang diesel. I feel like we've been asking for this to happen for a while.

Can't wait to see the progression MBRP. Thank ya'll for tackling this.

Man, this makes me happy.

[highoctane]

SWEET! Would love to see a JK with 800ft/lbs of tq.

[jdemonto]

Why not a 4bt? I have not seen one yet and a 6bt has been done already....

Jason

[RubiZealot]

I assume you'll be making a kit as well ?

Subscribed!

[0ilburner]

Do you have any sketches/cad renderings of what the truck will look like?

[RotorHead]

This is gonna be great. I have a 97 12-valve tow pig and would love to have that kind of power in my JK.

I'm puzzled at how you're gonna stuff the engine in there though. Them 6bt's are LONG. Do you plan on using the JK frame or moving everything over to the Dodge frame.

On another note. How is the bed and interior on your Dodge? Interested in selling any unused parts?

[ALASHA]

Originally Posted by RotorHead

I'm puzzled at how you're gonna stuff the engine in there though. Them 6bt's are LONG. Do you plan on using the JK frame or moving everything over to the Dodge frame.

Not to take away from the build because it still sounds bad ass but something similar has been done:

Originally Posted by BenFoo

Will it be something like this......

http://www.dieselpowermag.com/featur..._jk/index.html

[RotorHead]

Originally Posted by ALASHA

Not to take away from the build because it still sounds bad ass but something similar has been done:

I'm familiar with that one. That's why I asked about the frame. This will be interesting still because of the Truck concept. How cool would that be to use a JK as a tow pig? I've been tossing around the idea of transferring my drive train from my 97 Dodge Cummins over to a older J series Jeep truck, but it's hard to find one that isn't a rust bucket.

[ALASHA]

Originally Posted by RotorHead

I'm familiar with that one. That's why I asked about the frame. This will be interesting still because of the Truck concept. How cool would that be to use a JK as a tow pig? I've been tossing around the idea of transferring my drive train from my 97 Dodge Cummins over to a older J series Jeep truck, but it's hard to find one that isn't a rust bucket.

I think it becomes a question of what is the primary use. If its a tow rig, then you should go with leaf springs in the rear but if you want a true crawler, then leaf springs are not the optimal choice.

[xjrev10]

Sweet build. Glad it's a 6bt swap. 4bt are not as "smooth" as the ol 12 valve. Is the jk body getting swapped onto the pickup chassis? Cuz yes that has been done but not with a pickup also. Should be sweet!

[MBRP Tech 1]

Originally Posted by BenFoo

Will it be something like this......

http://www.dieselpowermag.com/featur..._jk/index.html

We are going to be doing some things that will be similar to what was done in this project, but there will be some pretty big differences as well. Ours is a 12 valve cummins, and the JK body is undergoing some pretty significant changes. I don't believe a full 4 door JK pick up truck has been done before...

We just want to build something cool, but at the same time be able to wheel it just like we have done with our other SEMA projects in MOAB.

[MBRP Tech 1]

We really appreciate the support and excitement around this build. While the final details are still in the works, I can assure you that we are just as pumped about this project as anyone.

We hope that everyone can see that this JK truck project is something that is special to us because of our history in the Diesel industry. We also wanted to build something that our fellow Jeep enthusiasts could appreciate.

There have been many amazing Jeep builds that have been documented over the past few years and our hope is to try to combine a few different ideas into one project jeep. I will keep posting updates as they become available.

[pearl-drum-man]

Sounds like a cool project, the four doors and pickup bed will be a first for the JK that I'm aware of.

[MBRP Tech 1]

We got the cab and box removed from our donor truck this morning and are starting to get into the good stuff now. The body and box were in pretty rough shape thanks to our lovely Canadian winters, but the drive train all looks really solid and will make a great starting point. We are going to be working with our body guys over the next few days or weeks to set up a plan of attack going forward.

A few shots of today's progress:

[Rock Krawler Suspension]

As cool of a project as it is, it looks really cold outside!

[KrawlOff-Road.com]

So, this JK truck is going to use the bed from the Dodge? Or, are you fabing one from the rear of the JK?

-Jason

[MBRP Tech 1]

Originally Posted by Rock Krawler Suspension

As cool of a project as it is, it looks really cold outside!

It was about 12*F outside yesterday... Not bad if you're dressed right, but gets cold in a hurry if your not!

[MBRP Tech 1]

Originally Posted by KrawlOff-Road.com

So, this JK truck is going to use the bed from the Dodge? Or, are you fabing one from the rear of the JK?

-Jason

We are going to be making a custom box out of sheet metal. The only part of the truck that we are going to be using is the motor, and frame. This motor is HEAVY, and needs something a little more rigid than the JK frame. Still working out details on trans, suspension, axles, transfer case etc.

[offroader613]

Originally Posted by MBRP Tech 1

Hook the steering back up and you've got one awesome skateboard

[MBRP Tech 1]

We are looking for a 4 door hard top to cut up for our latest project. If you have a hard top laying around that is collecting dust or getting in the way, we would be happy to take it off your hands for the right price.

Also curious to see if anyone has one of the TJ AEV Brute pick up box conversions that might have been purchased and the project was never completed or maybe just know someone who might have one of these.

[Bubblegoose1]

A sweet fabbed aluminum offroad flatbed would be cool on this build. Similar to the UA Ford bed.

[toolmanTim]

Now is a good time to Stud and o-ring the head. Dragon flow that puppy both Pump and 5 x .022 DF EDM's, Lazer cut DV's, and SPS 62 / Silver bullet setup and of course and MBRP exhaust!....................

Oh wait my bad It's the Dodge mentality taking hold here. But seriously I would at least o-ring and stud it. I'm gonna go outside and burn some Diesel

[BenFoo]

Originally Posted by MBRP Tech 1

We are going to be making a custom box out of sheet metal. The only part of the truck that we are going to be using is the motor, and frame. This motor is HEAVY, and needs something a little more rigid than the JK frame. Still working out details on trans, suspension, axles, transfer case etc.

Did you think about reinforcing and x-bracing the JK frame? What is the wheel base of that truck?