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1983 Chevy K10 - 2007 Top Truck Challenge Competitor

Furious K10
By Ken Brubaker
Photography by Ken Brubaker, Sean P. Holman
1983 Chevy K10 Drivers Side View
A close look at the Ford Performance... 
   
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1983 Chevy K10 Drivers Side View
A close look at the Ford Performance Red machine reveals front and rear fenders that have been modified to allow for full travel of the huge 54-inch Boggers on 20x14 MRW bead-lock wheels. The front fenders had about 4 inches removed, while the rear fenders had about 6 inches taken off. Other mods include a tubed and boxed frame, a 3-inch body lift, custom front and rear bumpers, custom rocker guards, front- and rear-mounted Warn 16.5ti winches, a bed-mounted 15-gallon fuel cell, and a cowl hood.
1983 Chevy K10 Front Axle
Gobs of power and big tires... 
   
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1983 Chevy K10 Front Axle
Gobs of power and big tires meant a beefy front axle was mandatory, so a 2 1/2-ton Rockwell was used. Custom Differentials assembled the centersection with an Ouverson Engineering Ultra Locker and then the team at SI Performance finished the job by adding 2-inch-diameter 47-spline Ouverson Engineering axles, a Wilwood caliper on the pinion brake, and custom mounts for the suspension and steering. Speaking of the suspension, it consists of a custom four-link setup with King 3.0 18-inch remote-reservoir coilovers, King 2.5 hydraulic bumpstops, and Beard limiting straps. The upper four-link bars are made from 2-inch 0.250-wall chromoly and the lowers are made from 2.5-inch 0.250-wall chromoly. All of the link bars use 1.25-inch spherical rod ends. Hydraulic steering makes the big 54s easy to point and the steering system also uses 1.25-inch spherical rod ends.
1983 Chevy K10 Engine
Under the hood is an envy-invoking... 
   
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1983 Chevy K10 Engine
Under the hood is an envy-invoking Merlin 632ci big-block engine that produces a staggering 900 hp and 995 lb-ft of torque. It's topped by a Holley intake and an ACCEL Digital Fuel Injection TBI setup. Other mods include an MSD distributor, coil, and wires, 2.5-inch-diameter custom headers, 4-inch-diameter exhaust, Powermaster 140-amp alternator, and a pair of Optima Yellow Top batteries. Oh, and then there's the 150hp nitrous kit. The engine is cooled by a bed-mounted and lexan-protected Be Cool four-core radiator with two 15-inch electric fans. Finally, the power is handled by a TCI-built Turbo 400 transmission that sports an Allstar flywheel, heavy-duty output shaft, Winters shifter, and a deep cast-iron pan. The trans is cooled by a bed-mounted radiator with 14-inch electric fan.
1983 Chevy K10 Four Link Bars Mount
The four-link bars mount to... 
   
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1983 Chevy K10 Four Link Bars Mount
The four-link bars mount to a custom steel cradle that also serves as a mount for the SCS transfer case. The case is mounted to a custom aluminum mount. Sprouting from the case are custom driveshafts with beefy 1480 U-joints.
1983 Chevy K10 Interior
The interior is all business.... 
   
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1983 Chevy K10 Interior
The interior is all business. It features Beard seats, each with a five-point harness, a four-point rollcage, a Grant steering wheel, a slew of Auto Meter gauges, and switches set in a Painless Wiring switch panel. These switches control everything from emergency kill to cooling fans to lighting.
1983 Chevy K10 Rear Axle
The rear 2 1/2-ton Rockwell... 
   
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1983 Chevy K10 Rear Axle
The rear 2 1/2-ton Rockwell axle also has a pair of 2-inch-diameter Ouverson Engineering 47-spline axles and a pinion brake. It is fitted with an Ouverson Engineering spool. The custom four-link suspension is also fitted with King 3.0 18-inch remote-reservoir coilovers, King 2.5 hydraulic bumpstops and Beard limiting straps.

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