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post #1 of (permalink) Old 12-23-2002, 03:29 PM
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4.0L head swap donor question

I can get a 4.0L head for free from a 97 grand cherokee. I'm assuming this will work with my 88 wrangler 258 block. would it be worth it to rip out the fuel injection and computer from it? I really would like to stay away from any expensive surprises. I have the engine torn apart down to the block and I'm waiting on my piston to come in so i figure that will give me enough time to prep for the swap and the best time to do it would be now. I'll be taking the intake and exhaust manifolds from it too. I checked out the write ups on this and they helped, but I just want some reassurance(sp?) to give me confidence that this will work.
One more thing...about the fuel injection. Would it be worth it to rip out the FI and brains or just to keep my 1 year old weber carb on there? And will it fit the manifold? Thanks and early merry christmas to all...
Tim
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post #2 of (permalink) Old 12-23-2002, 08:48 PM
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Re: 4.0L head swap donor question

</font><blockquote><font class="small">In reply to:</font><hr />
Would it be worth it to rip out the FI and brains

[/ QUOTE ] Yes.
</font><blockquote><font class="small">In reply to:</font><hr />
would it be worth it to rip out the fuel injection and computer from it

[/ QUOTE ] Yes </font><blockquote><font class="small">In reply to:</font><hr />
really would like to stay away from any expensive surprises.

[/ QUOTE ]That ain't gonna happen. </font><blockquote><font class="small">In reply to:</font><hr />
I just want some reassurance(sp?) to give me confidence that this will work

[/ QUOTE ]Yes, You CAN do it... You have the money! I have faith in you! [img]images/graemlins/grin.gif[/img]
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post #3 of (permalink) Old 12-23-2002, 10:41 PM
 
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Re: 4.0L head swap donor question

Here ya go ...
4.0L Engine Swapping
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post #4 of (permalink) Old 12-24-2002, 09:21 AM
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Re: 4.0L head swap donor question

The '97 head would be a great choice if you were going to go FI, but if you want to keep your carb, go with a '91 - '95 head. The old manifolds won't bolt up to a '96 or newer head - they changed the bolt pattern on the side of it, so make sure you get both matching manifolds. I found this out when I put a '98 head on my '80. I ended up going FI, which wasn't all that hard, (although at the time it seemed overwhelming, but looking back was a cake walk) and I really love it. I retro fitted a '94 HESCO FI kit on mine, which made the instalation of the FI simpler for me, but the newer FI can be done as well.
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