Jeep Conversions Knowledge Base Gateway

The engines that people are swapping into the Jeeps, their histories, features, compatibilities and highlights.

Transmissions are central to all powertrain conversions. It is sometimes possible to keep your existing Jeep transmission with an engine upgrade, and it is sometimes possible to keep your Jeep engine with a transmission upgrade - but not always. It's good there are several choices available in manual and automatic shift versions.

Transfer cases are what makes a "Jeep" a Jeep, whose transfer cases have been among the best, with most installers choose to retain them when upgrading their powertrain.

The principles of cooling are critital to your engine, and your automatic transmission.

Clutches and their release systems can, but don't have to be difficult to set up - usually based on how much the installer knows. Get a fast education here with our popular Guide to Clutches, Linkages & Bellhousings.

Jeep gearing choices are critical. These gearing calculators will help you choose transmission, transfer case, axle gears and tire sizes that will allow your Jeep to be rowdy on the trail or efficient on road - and perhaps both.

Jeeps that are converted with good engines and transmissions have been getting better fuel economy for decades. Well, it's a hot topic now.

The challenge of being awash in information is the proportional increase in misinformation. Cut through the noise, and select to read about Jeep swapping Myths vs. Observations.

Jeep driveshaft tech is important to any Jeep; lifted, converted, etc., and some of your powertrain choices will be driven by the angle of you propeller shaft joints.

Most modern conversions improve emissions. Emissions laws & regulations needn't hinder a good swap. In fact, your Jeep will probably burn cleaner with a good, modern engine in its bay.

Recommendations and sources for companies that specialize in wiring and PCM reprogramming, plus our guide to 12 volt conversions in early Jeeps.