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Old 10-29-2011, 10:41 AM   #1
paul66's Avatar
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90-97 4.0 engine difference?

So I went to Advanced auto parts looking for a rebuild kit for my 97 4.0 and they said one wasn't available for the 97 but there was one for the 90-91 4.0 what would be the difference in these engines ?

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Old 10-29-2011, 12:50 PM   #2
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Location: se la
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Different head, intake, prob exhaust as well.

06 LJ
78? CJ-7
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Old 11-02-2011, 06:49 AM   #3
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Thanks for the response,found out that the crankshaft is the main difference
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