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Old 08-07-2008, 01:00 PM
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Real Name: jordan stevens
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J4000?

i recently got a 1973 jeep j4000 and the guy i got it from swears that its has a 401 in it but i cant find any where that they put a 401 in that year how can i tell that it is a 401 and not a 360 with out tearing the heads off an measure?
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Old 08-07-2008, 02:08 PM
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YJ Wrangler
1995
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36"
    
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Re: J4000?



More info here: amc engine casting numbers
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Old 08-07-2008, 06:32 PM
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Join Date: Mar 2003
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Re: J4000?

Come over the the full size room.

International Full Size Jeep Association - Powered by vBulletin

LOTS of great poeple and 95% are VERY friendly.

You have to look under the motor mount on the engine block. I have the same user name on the other site. There are a few members from Utah (if I got that right) on there. Hope to see you....
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Old 08-21-2008, 07:26 AM
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Re: J4000?

Number should be on the engine block.
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Old 11-12-2009, 07:54 PM
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2001
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Re: J4000?

Look on under side of block up under engine motor mount.
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