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2006 Toyota 4Runner - Serious 4Runner

Posted in Features on February 17, 2015
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About eight years ago, Dave Crosby of Sierra Vista, Arizona, purchased this fourth-gen ’06 Toyota 4Runner Limited with the VVT-I 4.7L V-8 engine. Little did he know then that the luxury SUV would someday undergo a massive transformation to roll across dirt and rocks as the competent trail machine you see here.

Take a comfortable 4WD, rework it all with stout running gear and a flexible suspension, and you get a fun camping and wheeling rig. However, with a closer look, you’ll see some nice custom touches to this late-model 4Runner that sets it apart from a lot of similar vehicles.

The V-8 engine compartment is busy but very sano. A tubular truss bridges the two shock towers and supports the King front shock reservoirs. The PSC Motorsports high-volume pump used to drive the hydro-assist steering sits in place of the stock unit, and the PSC reservoir was tucked in behind the passenger headlight assembly. A duo of batteries were placed in opposite corners of the engine bay, and the 4.7L breathes through a K&N cold-air intake.

Dave likes to get his hands dirty, so he can be credited with nearly all the changes to the 4Runner, including all the suspension work and metal fabrication. He turned to the experts at Downsouth Motorsports to valve and tune his King shocks, so the 4Runner attains good trail articulation as well as bump-soaking action when bouncing through rough stuff at higher speeds.

There are many more custom touches and modifications to get to the final product, as you soon will see. Is it done? Is a project like this ever really done? Dave is quite pleased with the rig he has now, and it’s proven itself comfortable and capable. He’s wheeling and camping in it, but there’s always room for a few more tweaks and upgrades.

Another Dynatrac ProRock 60 in the rear complements the front, but this axle is stuffed with an ARB Air Locker. Chromoly ’shafts spin inside. Front and rear axles run 4.88 Yukon gears.

At A Glance
Owner/Hometown: Dave Crosby/Sierra Vista, Arizona
Vehicle/Model: 2006 Toyota 4Runner Limited
Estimated value: N/A

Type: 4.7L Variable Valve Timing V-8
Aspiration: Fuel injection, K&N intake, custom exhaust with Magnaflow cats and Dynomax muffler
Output, hp/torque (estimated): 280/310

Transmission: Stock five-speed automatic
Transfer case: Marlin Crawler “Lefty” with 4.7:1 ratio chromoly gearset, 30-spline output shafts

Front: Three-link with panhard, 14-in-travel King remote reservoir coilovers, King hydro bumps, custom sway bar
Rear: Three-link with panhard, 12-in-travel King remote reservoir shocks, King hydro bumps, Currie Antirock sway bar

Front: Dynatrac ProRock 60, 35-spline chromoly ‘shafts, DynaLoc hubs, Eaton locker, PSC hydraulic-assist crossover steering
Rear: Dynatrac ProRock 60, 35-spline chromoly ’shafts, ARB Air Locker
Ring and pinion: 4.88

Wheels: 17x8.5 ATX Chamber Pro, OMF beadlock rings
Tires: 37x13.50R17LT Toyo Open Country M/T

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