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I'm interested in changing out the 2.5L 4-cylinder for the 4.0L 6-cylinder motor for my '92 base YJ. I'm trying to get educated in what is involved. On the highest level, I know there are 3 important steps in the process. 1. Get a 4.0 liter motor 2. Remove 2.5L motor 3. Install 4.0 liter...