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Mopar Underground Easter Jeep Safari Concepts: Formidable Foursome

2012 Jeep Wrangler Apache
Ken Brubaker
| Senior Editor, Four Wheeler
Posted August 1, 2012

Look What Jeep and Mopar Have Done Now

Just as sure as you’ll see snow on the La Sal Mountains and Jeeps lined up outside the Moab Diner, you’ll see a bevy of potential production and customized vehicles from Jeep and Mopar during the annual Easter Jeep Safari in Moab, Utah. You see, it has become tradition that the crew from Auburn Hills, Michigan, invades Moab with a collection of rigs designed to get people talking. Over the years Jeep and Mopar have trotted out such memorable vehicles as the Ram Runner, Lower Forty, and Nukizer 715. Well, this year the Michigan crew raised the bar yet again by unveiling a pack of cool rigs. Here’s a detailed look at four of our favorites

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Jeep J-12
A new twist on an old favorite
We’ve never been able to figure out why manufacturers are willing to create a modern interpretation of old classic cars like the Chevy Camaro, Dodge Challenger, and Ford Mustang, but classic pickup trucks are largely forgotten. Well, until now. This is the J-12 concept and it was created by the UnderGround (formerly known as the Mopar Under Ground) as a modern interpretation of the Jeep Gladiator pickup of the ’60s and ’70s. Outside it says Gladiator, inside it says Wrangler, and on the trail it says get out of the way.

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Eighteen inches was added to the rear overhang of the Wrangler Unlimited chassis to allow an underslung spare tire. This meant that two Mopar JK8 pickup truck conversion kits had to be combined to extend the bodysides and bed floor to compensate for the longer chassis. The tailgate is a custom steel unit that was designed to incorporate the Kaiser-era Jeep logo. Like the front bumper, the rear is a new replacement piece from an older van application that was modified and chrome plated. Also notable is that the Mopar roof of the JK8 kit was shortened to remove the side glass and increase the bed length. The finished product offers a generous inside bed length of 6 feet.

The Details
General
Owner/Hometown: Chrysler LLC/Auburn Hills, Michigan
Vehicle/Model: 2012 Jeep J-12 concept
Estimated value: N/A
Engine
Type: Chrysler 3.6L V-6
Aspiration: Fuel injection
Output, hp/torque (estimated): 285/260
Drivetrain
Transmission: Chrysler W5A580 5-spd auto
Transfer case: NV241
Suspension
Front: Stage 3 Mopar 3-in-lift, Fox remote-reservoir shocks
Rear: Stage 3 Mopar 3-in-lift, Fox piggyback-reservoir shocks
Axles/Differentials
Front: Dynatrac ProRock 44/ARB Air Locker
Rear: Dynatrac ProRock 60/ARB Air Locker
Ring and pinion: 4.10:1
Wheels/Tires
Wheels: 16x8 Vintique and baby moon caps fitted with custom vintage Jeep badges
Tires: 9.00-16LT STA Superlug, bias-ply

Jeep Mighty FC
Mighty is its middle name
It’s rare that a truck that was last made 47 years ago still makes many truck lovers giddy. The Jeep Forward Control (FC) is that vehicle. Even more extraordinary is that the FC was only produced for nine years, which is an incredibly short amount of time in the big picture of truck production. The original FC was a unique machine and its design kept overall length at a minimum for maneuverability while maintaining a full-length cargo box for utility. To honor the original FC, the UnderGround created the retro Mighty FC. This vehicle had been on the minds of the UnderGround group for a long time and they “just couldn’t wait anymore to act.” There are many people who are very happy about that.

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The Details
General
Owner/Hometown: Chrysler LLC/Auburn Hills, Michigan
Vehicle/Model: 2012 Jeep Mighty FC concept
Estimated value: N/A
Engine
Type: Chrysler 3.6L V-6
Aspiration: Fuel injection
Output, hp/torque (estimated): 285/260
Drivetrain
Transmission: Chrysler W5A580 5-spd auto
Transfer case: NV241OR
Suspension
Front: King remote-reservoir coilover shocks, Teraflex control arms and Teraflex S/T sway bar
Rear: King remote-reservoir coilover shocks, Teraflex control arms
Axles/Differentials
Front: Mopar/Dynatrac/AIM ProRock 44-based portal axle/ARB Air Locker
Rear: Mopar/Dynatrac/AIM ProRock 60-based portal axle/ARB Air Locker
Ring and pinion: 4.10:1 (portal gear reduction of 1.5:1 for a final drive ratio of 6.15:1)
Wheels/Tires
Wheels: 17x9.5 Hutchinson Rock Monster beadlock
Tires: 39x13.50R17LT BFGoodrich Krawler T/A KX

Apache
Go fast, or go slow, it does both
This ’12 Jeep Wrangler Unlimited, known as Apache, is notable for several reasons, including the juicy fact that it shows off the new Mopar 6.4L Hemi conversion kit specifically for the Jeep Wrangler. And by the time you read this, you’ll be able to purchase the conversion kit. It will mate the Hemi to the W5A580 five-speed automatic transmission. There is currently no Mopar kit in development to mate the Hemi to a manual transmission, but that could change if consumer interest is there. But of course there’s more to the Apache than just a snarling engine.

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The Details
General
Owner/Hometown: Chrysler LLC/Auburn Hills, Michigan
Vehicle/Model: 2012 Jeep Wrangler Apache
Estimated value: N/A
ENGINE
Type: Chrysler 6.4L Hemi V-8
Aspiration: Fuel injection
Output, hp/torque (estimated): 470/470
DRIVETRAIN
Transmission: Chrysler W5A580 5-spd auto
Transfer case: Atlas 4.3:1 2-spd
SUSPENSION
Front: 4.5-inch Synergy Suspension long-arm, Fox remote-reservoir shocks
Rear: 4.5-inch Synergy Suspension long-arm, Fox remote-reservoir shocks
AXLES/DIFFERENTIALS
Front: Dynatrac ProRock 60/ARB Air Locker
Rear: Dynatrac ProRock 60/ARB Air Locker
Ring and pinion: 5.13:1
WHEELS/TIRES
Wheels: 17x8.5 Walker Evans beadlock
Tires: 39x13.50R17 BFGoodrich Krawler T/A KX

Traildozer
Powerful, nimble, and did we mention powerful?
What you’re looking at is the very first ’12 Wrangler to be converted to Hemi power. This Jeep also has a story, as it was the only Dozer Yellow Jeep at the media reveal on the Rubicon last summer, which made it a photo target. Not much has changed in that regard. What has changed is that the UnderGround crew worked its magic on the rig and it now sports a 470hp powerplant and a slew of cool mods. Oh, and now it looks even more like a piece of muscular construction equipment.

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The Details
General
Owner/Hometown: Chrysler LLC/Auburn Hills, Michigan
Vehicle/Model: 2012 Jeep Traildozer concept
Estimated value: N/A
Engine
Type: Chrysler 6.4L Hemi V-8
Aspiration: Fuel injection
Output, hp/torque (estimated): 470/470
Drivetrain
Transmission: Getrag 238 6-spd manual
Transfer case: NV241OR
Suspension
Front: 3.5-inch AEV DualSport RS, Bilstein 5160 remote-reservoir shocks
Rear: 3.5-inch AEV DualSport RS, Bilstein 5160 remote-reservoir shocks
Axles/Differentials
Front: Rubicon Dana 44/Tru-Lok
Rear: Rubicon Dana 44/Tru-Lok
Ring and pinion: 4.10:1
Wheels/Tires
Wheels: 17x8.5 AEV Pintler
Tires: 37x12.50R17LT Mickey Thompson Baja MTZ

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