It all started when Tony Lorenzo of Grass Valley, California, bought a GMC Suburban 2500 from a friend for his wife to drive. For two years it was a stock, reliable grocery-getter. Eventually it was replaced by a new car and it was at this point Lorenzo had an epiphany. He decided to build the “ultimate family wheeler” using the Suburban as his foundation.
To Lorenzo, an electrical contractor, the definition of ultimate family wheeler clearly doesn’t mean a flashy, unlimited budget, over-the-top build. What it means to him is taking a massive vehicle that’s capable of hauling a number of people and gobs of gear and modifying it to handle super tough trails. “Once I started, it took only three weeks with the help of WFO Concepts cutting brackets and supplying parts,” Lorenzo says.
The exterior of the Suburban gives little indication of the trucks true capabilities. Modi
Since the whirlwind garage buildup, the big, flexy Suburban has successfully negotiated a variety of tough trails usually dominated by short-wheelbase rigs. “It’s amazing the looks you get from people when you’re on Fordyce or Rubicon,” he says of the long-wheelbase SUV.
Owner/Hometown: Tony Lorenzo, Grass Valley, California
Vehicle/Model: 1994 GMC Suburban 2500
Estimated value: $30,000
Type: GM 454ci V-8
Aspiration: TBI, custom exhaust w/Magnaflow muffler
Output, hp/torque (estimated): 300/300
Transfer case: Atlas 3.8:1, 2-spd
Front: Chevy ½-ton leaf springs, Rancho RS9000XL shocks
Rear: Leaf springs, WFO Concepts shackle flip kit and torque arm, Rancho RS9000XL shocks
Front: Ford Dana 60, PSC steering box, WFO Concepts high-steer arms, drag link and tie rod/ARB Air Locker
Rear: GM 14-bolt/ARB Air Locker
Ring and pinion: Sierra Gear 5.38:1
Wheels: 17x8 Pro Comp steel
Tires: 40x13.50R17LT Goodyear MT/R
Helping to protect the belly of the beast is a large skidplate made from 1⁄4-inch-thick st
Safety for the trucks occupants is enhanced via a five-point rollcage made from 1 3/4-inch
A fullsize spare tire is secured in the cargo area behind the third row seating.
Knowing full well that the stock IFS would never hold up to the trails he planned on runni
The rear axle is a 14-bolt that has been regeared to 5.38:1 ratio using Sierra Gear & Axle
The stock TBI 454ci V-8 engine runs great and produces plenty of horsepower and torque, so