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Old 10-23-2008, 05:51 PM   #1 (permalink)
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XJ Question

I have a question for all you XJ gurus. Will a 4.3 chevy swap in place of the shitty 2.8 that could be had? What all will I need parts wise, other than the 4.3 and relating harness and ecu, XJ, and motor mounts?
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Old 10-23-2008, 07:32 PM   #2 (permalink)
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nothing?
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Old 10-23-2008, 07:45 PM   #3 (permalink)
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Well, No.
most 4.3s are a 90 deg V6
different mounting and trans than the 60 deg 2.8.

Bigger job than you may suspect.
Although a swap from a late 90s Chev full size 4x4 with the 4.3 will work with the whole powertrain.

I was actually wondering myself what DOES bolt to whatever trans they put behind the 2.8 in the Jeeps...
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Old 10-23-2008, 08:29 PM   #4 (permalink)
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the only thing i can think of that will is the 3.4 60*. otehr than that, idk.
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Old 10-23-2008, 09:00 PM   #5 (permalink)
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The 4.0 Caddy V8 (sideways Fwd motor) will bolt up to the existing 2.8 tranny, and the 3.4 is basically a bolt in. Those are the only 2 "common swaps" I've heard of besides full replacement of everything 2.8 related.

The swaps on the 2.8 tubs are harder because of the early (smaller) inner fender/firewall configuration. Basically pass it up and get a later model XJ to use as a platform.
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Old 10-23-2008, 09:04 PM   #6 (permalink)
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i like the sound of the northstar swap, i have a shitty old caddy with a rebuilt northstar sittin at my grandmas, and shes dead, so the car is ripe for hte piken
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Old 10-23-2008, 09:31 PM   #7 (permalink)
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These guys have some good info, very interesting stuff for what goes in what:
http://www.novak-adapt.com/knowledge...buick_swap.htm
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Old 10-23-2008, 10:39 PM   #8 (permalink)
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Pretty sure it's a re-post, but there's lotsa good info here:
http://www.jeeps-offroad.com/showthread.php?t=4740
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Old 10-23-2008, 10:48 PM   #9 (permalink)
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sounds like all i need is a xj with a 4.0 that is shot, a dakota bellhousing, and teh northstar shit, tehn pound it all out
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