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Since its release in 2007, the JK has become wildly popular and nearly 1 million units have been sold in North America. With a wider track and longer wheelbase, the Wrangler JK is roomier, more comfortable, and delivers better on-road performance than its predecessor. However, it needs serious chassis, suspension, and drivetrain upgrades to tackle demanding off-road terrain and rock crawling. A full complement of heavy-duty suspension, chassis, steering, drivetrain, and high-performance engine parts has been developed for this platform. Co-authors Don Alexander and Quinn Thomas offer comprehensive guidance for making key modifications and selecting the best parts to transform your JK into a superior off-road performer. Lift kits from 1.75 to 5 inches are available, so you can fit off-road wheels and tires for exceptional traction. Suspension springs, specially calibrated coil-over shocks, and sway bars must work in concert to provide the correct suspension articulation and ride quality to scale obstacles and negotiate terrain. To increase durability and essential reliability, pitman arms, drop links, driveline parts, steering boxes, and skid plates are examined. Because the drivetrain must be ready for off-road service, the authors cover the most rugged and reliable axle assemblies available. Exhaust, intake, and electronic engine mapping upgrades make the Jeep 3.6- and 3.8-liter V-6 engines much more potent. It also includes how to swap GM LS and new Hemi engines into the JK for vastly improved performance. If you believe that paved roads are simply access-ways to the open range, you and your JK need this book. It contains the vital information to convert any mild-mannered street vehicle into an all-conquering off-road rig. Whether it's lift kits, wheels, tires, drivetrain, or suspension and engine parts, this volume provides detailed information, insightful guidance, and installation instructions, so you build an off-road JK to handle the toughest terrain. Author BIO Quinn Thomas Quinn Thomas has been four-wheeling since the tender age of 17, and by age 20, he bought his first Jeep. He lives for rock crawling, camping, and exploring the backcountry with his personal JK. Quinn and wife, Heather, own and operate All J that specializes in Jeep off-road performance in Big Bear, California. So far, Quinn has owned 15 Jeeps, personally built and modified countless Jeeps at his shop, and currently specializes in Wrangler JK performance for rock crawling and trail driving. With so many parts, accessories, and performance upgrade techniques available, Quinn enjoys creating a JK at his shop that's as unique as the owner. Don Alexander Don Alexander's passion and experience for motorized propulsion goes back to 1959 when he first started kart racing. He later developed an insatiable passion for Jeeps. He is currently the proprietor of the Jeep 4x4 School, having trained thousands for off-road driving. He has also competed in oval track, drags, and road racing as well as land speed runs. He holds the land speed record of 222 mph for diesel pickup. Alexander has authored 18 books and written more than 1,000 magazine articles. He has produced off-road training videos and SoCal 4x4 Adventures and Extreme Jeepin' TV shows. Alexander lives in Big Bear, California.
Author: Quinn Thomas, Don Alexander
Binding Type: Paperback
Dimensions: 8.5 X 11 (inches)