1998 GMC Sonoma - 2007 Top Truck Challenge Competitor
By Douglas McColloch, Photography by Ken Brubaker, Sean P. Holman
Mud is the prevalent obstacle in Missouri, so naturally Harmony Hills resident Jeff Miller built his rig to reign supreme in the gooey brown stuff. With gobs of horsepower, a stout drivetrain, and tires that are all business, he seems to have his game on. He's hoping his rig can show the Hollister Hills terrain a little Missouri misery.
What you're looking at is a '98 GMC Sonoma sitting atop a modified '51 GMC 6x6 chassis. Th
The only stock Sonoma interior pieces are the headliner and the door panels. The dash was
Under the hood is a Generation 6 GM 502ci crate engine. GM says this powerplant generates
The stock '51 Eaton axle resides under the front of the rig. It has been upgraded to full
The rear axle is also a stock Eaton unit and it rides on Rancho front-axle-application 4-i
Amperage is supplied by a pair of Optima Red Top batteries mounted in-cab.
Owner name/city: Jeff Miller/DeSoto, Missouri
Vehicle model: '98 GMC Sonoma
Occupation: Small business owner
Engine/aspiration: 502ci V-8/770-cfm Holley Truck Avenger carburetor, 3-inch exhaust, Quickflow mufflers
Transmission: Turbo 400
Transfer case(s): Divorced GMC G506
Suspension (f/r): Military leaf springs/Rancho 4-inch-lift leaf springs
Axles (f/r):Eaton, full hydraulic steering, custom Driveshafts Unlimited driveshaft with 1410 U-joints/Eaton, Driveshafts Unlimited driveshaft with 1410 U-joints
Axle ratio: N/A
Wheels: 26x18 steel
Tires: 55x18.4-26 Goodyear R16
By Douglas McColloch
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