Jeep Engines – Factory Engines, Engine Conversions, Engine Swaps

These Jeep engine pages cover stock Jeep engines, engine swaps, engine performance, and engine rebuilds.


78cjengiFactory Engines: These articles were originally written to cover only engines Used in CJs, YJs, TJs, and their military brethren. Articles are being added to cover engines used in other models.

Engine Conversions : Jeeps have come with a good selection of engines over the years, but in the quest for more power, many jeepers look to swap in something different. These pages cover various engine swaps.

Learning to Love Your 258: An easy fix for the most common idle problems with the 258(4.2L) engine used in Wranglers(YJ) and CJs.

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