I need to identify a 4.0 motor - Pirate4x4.Com : 4x4 and Off-Road Forum
 
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Old 06-14-2007, 09:29 PM   #1 (permalink)
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I need to identify a 4.0 motor

The guy is unsure of the year. The block had 603mx22 on the side stamped on it. Is there a website I can go to to identify? Thanks
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Old 06-14-2007, 09:44 PM   #2 (permalink)
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Okay, I think I found my answer. 96 motor made on March 22nd? Can someone confirm that based on the block number? Thanks
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Old 06-16-2007, 07:51 PM   #3 (permalink)
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block id

check your chilton book it explains how to read the block.
Your block build date is 1996 March that should be all you need to know.
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