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Top Truck Challenge 2010

2010 Top Truck Challenge

Leo Kuether: 2007 Coleworx Fat Girl Buggy

Top Truck Challenge 2010 Competitors: The Dirty Dozen

By Four Wheeler Staff, Photography by Ken Brubaker, Sean P. Holman
129 1011 Leo Kuether 2007 Coleworx Fat Girl Buggy Passenger Side Shot
With negative approach and departure angles, front and rear steering and power to spare, this buggy is poised for battle. A compact chassis keeps this buggy from encountering snags, and removable body panels make accessing the underlying componetry a simple five-minute affair. A durable silver powder-coat keeps the rig's tubework from rusting while also improving visual appeal.
With negative approach and departure angles, front and rear steering and power to spare, t

Fat Girl
Owned by Leo Kuether, of Grand Forks, North Dakota, this intoxicating mixture of rolled radius 17/8-inch DOM tubing and brute American muscle personifies the concept that functionality does not have to look boring. With swoopy lines, contoured body panels, and an unmistakable rumble at idle, "Fat Girl" has an appearance of going fast, even when she is standing still.

Specifications

  • Owner name/city: Leo Kuether/Grand Forks, North Dakota
  • Occupation: Owner, fastener, and upholstery supply store
  • Vehicle model: 2007 Coleworx Fat Girl Buggy
  • Estimated value: $90,000
  • Engine/aspiration: Chevy 8.2L Ram Jet V-8/ fuel injection
  • Transmission: TCI TH400
  • Transfer case: Atlas II 3.0:1
  • Suspension (f/r): Triangulated four link, Fox coilovers/triangulated four-link, Fox coilovers
  • Axle ratio: 6.72:1
  • Wheels: 20x14 Marsh steel beadlocks
  • Tires: 46-in Mickey Thompson Baja Claws

The engine bay is packed tightly, with only the bare necessities in view. Tubing protects all essential componetry from rollover damage, and the chassis design features bolt-together flanges in key areas to allow easy serviceability. The Ram Jet 502 puts out an estimated 560 lb-ft of torque at 5,000rpm. A massive aluminum radiator manages coolant temperature, while exhaust is routed through a set of Sanderson headers.
The engine bay is packed tightly, with only the bare necessities in view. Tubing protects

Leo Kuether, Team #20

  • Most looking forward to: "Tank Trap. I love the unexpected."
  • Not looking forward to: "Tank Trap. It seems to be the most unexpected."
  • Playing in his iPod/CD player: "Nothing. I have SiriusXM! Jason Ellis Show rocks! Red Dragons!!"
  • Kuether says: "I'm crazy and not medicated."

  • The comfortable interior was intended for long days on the trail. Built around the principle of comfort with function to spare, items such as OE Ford Escort seats and a factory steering column reduce fatigue while keeping cost low. All vital system interfaces are within arm's reach, and a first aid kit and fire extinguisher remain accessible from either side of the vehicle. A four-point interior rollcage is tied into the chassis, and a custom tubular center console provides a mounting location for the 12Volt Guy dual winch-control panel.
    The comfortable interior was intended for long days on the trail. Built around the princip
  • Up front, a Warn 9500 winch is on standby should Fat Girl encounters an impasse, while the lower main horizontal tube houses a Curry Antirock sway bar. The front 21/2-ton Rockwell axle features 47-spline Ouverson shafts and an Ouverson mechanical locker. The steering knuckles are reinforced by Grand Forks Welding, and a PSC double-ended steering ram sits prominently on top of a custom tubular bridge that further protects the top-loading differential.
    Up front, a Warn 9500 winch is on standby should Fat Girl encounters an impasse, while the
  • Out back, a mirror image of the front axle is located by a double-triangulated four-link suspension setup that features 2 1/2-inch Fox coilover shocks. The suspension arrangement is identical front and rear to keep things simple. Dual Supertrapp mufflers expel exhaust fumes from the driver's side of the rig's tail end.
    Out back, a mirror image of the front axle is located by a double-triangulated four-link s
By Four Wheeler Staff
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