How-to: Jeep 4WD JK Wrangler, Unlimited &
The JK Wrangler debuted in 2007 and replaced the TJ design. JK owners immediately
went to work on this longer wheelbase model. Its improved frame structure and
rugged powertrain lends itself to traditional Jeep® trail use, requiring
the typical aftermarket modifications.
Want to do your own Jeep 4WD repairs, troubleshooting
and upgrades? The workshops offer Jeep technical 'how-to' projects, valuable troubleshooting tips plus a variety of upgrade
product installations. See the 'how-to' articles, videos and instructional tips on the following
stock JK has excellent approach and departure angles, however, the popular, longer wheelbase 4-door option
dramatically sacrifices breakover angle clearance. To meet rocky trail demands, owners lift the JK, install
oversized tires, and add the usual complement of accessories!
exposure to the JK Wrangler on trails like Moab and the Rubicon, Moses Ludel has abandoned his time-honored mantra
about the 33" tire limit! 35"-37" tires, with revised axle gearing, have become a norm for the JK Wrangler and JK
Rubicon Edition, especially four-door models with the 116" wheelbase! Lots of work, lots of expense to do it
This section of 4WD
Mechanix Magazine will focus on tested JK modifications, trail upgrades and improvements. Send JK
Wrangler questions and comments to the "4WD Tech 'Q & A.'" Moses Ludel will continue to research, evaluate and
comment on developing aftermarket innovations.
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