![]() This only added to what the TJ already was. Nevertheless, the TJ Rubicon was the first of its kind and a truly impressive machine out of the box. Especially considering often bigger tires and lower gearing is desired in a build, than what a Rubicon offers stock. Unique black diamond plate rocker panel guardsĪlthough certainly exciting, a builder must keep in mind that a regular TJ can be built to a higher standard, more cheaply than a Rubicon.4:10 axle gearing, with on-demand air lockers.All Rubicons came stock with these features: The year 2005 saw the first Wranglers ever equipped with a six-speed manual, in addition to the four-speed automatic carryover. Price, weight, and fuel economy remained pretty close in those years. Of course, the Rubicon was available only with the 4.0-liter engine, and of note, this top trim was only available from 2003-2006 in the TJ. As a final hurrah from AMC, the TJ is the last application to carry this great heart. Many elects to LS or Hemi swap their rigs, and the 392 V-8 JL Wrangler is a manufacturer god-send, but still, the 4.0 remains relevant. For example, a tire size upgrade may require gearing changes in the drivetrain, but the engine will handle it. Today just from use over time, these engines are all around with 200,000 miles on them and still kicking, as 300,000 miles shouldn't be out of the question.įor a lightweight vehicle such as the TJ, the 4.0 is sufficient even with modifications that add weight, which is where the four-cylinder options can be bogged down. This engine can be modified using stroker kits, turbos, and superchargers, to squeeze more power out of it, but for many, it is perfect as-is in stock configuration. Of the three available engines for the TJ, one can see that the 4.0 liter should be preferred, a mill that was also available for the MJ Comanche and ZJ Grand Cherokee.
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