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Unread 09-13-2013, 01:49 AM   #1
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Engine year manufacture

Is there any casting / block numbers anywhere to determine when are roughly when the engine was made. I have 2001 WJ and had to buy a low mileage used engine due to position skirt issue.
Post 2000 motors are slightly different, or so I've read so I want to be sure I have the correct one. Thanks

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Unread 09-13-2013, 01:35 PM   #2
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Anyone? Please?
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Unread 09-13-2013, 01:39 PM   #3
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Keep in mind, the 0331 head has the potential of cracking as well.
His: 2004 WJ - OME HD 'Kolak' Lift - Build Thread
His: 1979 J-10 - 3" on 33s - Build Thread
Hers: 2000 TJ

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Your symptoms sounds just like what it does when it's not doing what it should because of how it is.
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