Chris Backlund scoured the Internet for months looking for someone to reprogram his engine’s electronic control module. The Fort Collins, Colo., resident hauls asphalt and road base in varied terrain ...

Upon first acquiring our 4.0L-equipped '01 Jeep Wrangler TJ, we were extremely impressed with its on- and off-road performance. The six-cylinder mill pushed the stock-size tires anywhere we wanted to ...