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Engine Block - Different over the years?


 
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raytech
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Joined: 11 Feb 2006

PostPosted: Mon Feb 27, 2006 7:18 pm    Post subject: Engine Block - Different over the years? Reply with quote

I own a 94 GC with a 4.0 and part time 4wd. The motor has very little power and always has since I bought it at 114k miles. It now has around 140-145k. I am looking to find another 4.0 to rebuild. Not an easy task to find one local and cheap. What I need to know is:

Is there a difference in the casting of the blocks over the years? I found an 84 4.0 and was wondering if it will work. Mainly just the short block.

Thanks,
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any advice is welcome, novice to expert.
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shotgun
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Joined: 23 Jan 2006

PostPosted: Tue Feb 28, 2006 6:33 am    Post subject: Reply with quote

I think the I-6 used since 1987 has only minor differences. It probablly goes back further than 87, since the 4.0L head swap is somewhat common. So you should be good with nearly any 4.0L shortblock.
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