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engine swap

4.0 from 99-04 WJ or 00-04 TJ

You could drop in a 4.7 but you'd hafta change out the PCM as well as a few other things that I won't go into detail because I'm not as sharp on WJs (this is an XJ forum!)
 
00-01 XJ assuming it's just the long block (different mech fan/water pump setup and acc brackets).
 
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