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-   -   Engine year manufacture (http://www.jeepforum.com/forum/f310/engine-year-manufacture-1581193/)

rockatansky666 09-13-2013 01:49 AM

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

rockatansky666 09-13-2013 01:35 PM

Anyone? Please?

ChrisHager 09-13-2013 01:39 PM

http://jeep4.0performance.4mg.com/tech_specs.html

Keep in mind, the 0331 head has the potential of cracking as well.


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