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2002 Top Truck Challengers 1985 Chevy K30

Posted in Project Vehicles on October 1, 2002 Comment (0)
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2002 Top Truck Challengers 1985 Chevy K30
Photographers: Craig Perronne

Corey Dean's big red '85 Chevy K30 is as stout and rugged as a Sherman tank. It gets its power from a balanced 454 big-block that was bored 0.060-over and uses TRW pistons. The engine runs on propane, which in Canada, from which Corey hails, is much cheaper than gasoline. The truck's powerplant squeezes horses from an Edelbrock oval-port intake manifold, custom dual 3-inch Hedman headers and two chambered Flowmasters. Ignition mods include the addition of an MSD 6AL ignition and ACCEL wires. The Chevy offers an estimated 450 hp at 5,600 rpm and 520 lb-ft of torque at about 4,200 rpm.

The driveline on Corey's Chevy features an SM465 transmission and a divorced NP205 transfer case. A Centerforce Dual Friction clutch pushes power through the tranny, which rotates driveshafts equipped with 1350 CV joints. The truck has 1 1/2-inch 35-spline axles at both the front and rear. Corey's Chevy rides on a Dana 60 up front and a Dana 70 at the rear. Detroit Lockers can be found in each pumpkin, with gearing set at 4.88:1.

The K30 features a 1 1/2-inch 35-spline Dana 70 with a Detroit Locker stuffed with a 4.88:1 ring-and-pinion. The K30 features a 1 1/2-inch 35-spline Dana 70 with a Detroit Locker stuffed with a 4.88:1 ring-and-pinion.

No question, Corey checks clearance signs when he enters a garage. His K30 is based on a 1 1/4-ton shortened military frame. It is equipped with 6-inch-lift Rancho leaf springs up front and uses 2 1/2-inch-lift leaves to cushion the rear. Add a 3-inch body lift and you're talkin' tall, tall truck. All this lifting provides clearance for Corey's 39.5x18x15 TSL Boggers on a set of 15x10 eight-stud chrome spoke wheels. In order to get his truck's steering geometry squared away, Corey installed a Ford 4-inch dropped pitman arm. A custom crossover and hydraulic assist help keep those big ol' tires pointed in the right direction.

Corey digs good tunes, so a Kenwood stereo was a must. To meet its full potential Corey's system relies on a powerful 520-watt Jensen amplifier. With 10-inch subwoofers and a trio of 6x9 speakers it's likely that you'll hear Corey before he sees you-despite his lofty perch. But can all this goodness overpower the Tank Trap? We'll have to wait and see.
-Gabriel Sheffer

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SPECIFICATIONS


GENERAL
Owner Corey Dean, Calgary, Alberta
Vehicle/Model 1985 Chevy K30


ENGINE
Type Chevy 468 OHV V-8
Aspiration Propane, Edelbrock oval-port
intake manifold


DRIVETRAIN
Transmission SM465
Transfer Case Divorced NP205


SUSPENSION
Front 6-inch Rancho
Rear 2 1/2-inch Rancho
Shocks Rancho {{{9000}}} and 5000s


AXLES/DIFFERENTIALS
Front Dana 60 with 1 1/2-inch inner and
outer 35-spline and Detroit Locker
Rear Dana 70 with 1 1/2-inch 35-spline
and Detroit locker
Ring-and-Pinion 4.88:1


WHEELS/TIRES
Wheels 15x10 American Racing
chrome spokes
Tires 39.5-inch TSL Boggers

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