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post #1 of (permalink) Old 10-15-2003, 04:37 PM
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94 YJ getting a TJ 4 cyl

I just got a new ax5 transmission for my 2.5L 94 Wrangler. A week after that i threw a rod and blew the engine. I have to buy a jeep 2.5L to replace the blown engine. The one I am looking at is from a 1999-2003 TJ. Will this engine bolt right into my 94 YJ? What changed on these engines? Will I have to move motor mounts? Will my ax5 still bolt in? The YJ had a vin code "P" engine before.

Thanks,
94yJeep
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post #2 of (permalink) Old 10-15-2003, 07:46 PM
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Re: 94 YJ getting a TJ 4 cyl

I'm sure it will bolt to the trans since it is the same basic engine. I'm not sure what other changes are really needed. If I can remember, I'll look it up at work tomorrow. (but if I remember it should be no problem....average eng. swap)
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post #3 of (permalink) Old 10-16-2003, 02:08 PM
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Re: 94 YJ getting a TJ 4 cyl

Can anyone else help? I plan to buy this engine http://cgi.ebay.com/ebaymotors/ws/eB...category=33615 If you can tell by the pictures, what will I need to purchase for the TJ engine (accesories, etc) that I can't pull off of my YJ motor? I really appreciate any help. I am a college student and I'm trying to get by spending as little as possible on this jeep so I then have transportation for a job!
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post #4 of (permalink) Old 10-16-2003, 03:49 PM
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Re: 94 YJ getting a TJ 4 cyl

Hey, where in Missouri are you?
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post #5 of (permalink) Old 10-16-2003, 06:04 PM
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Re: 94 YJ getting a TJ 4 cyl

Columbia, MO - I go to Mizzou.
post #6 of (permalink) Old 10-17-2003, 03:34 PM
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Re: 94 YJ getting a TJ 4 cyl

plz help!!!
post #7 of (permalink) Old 10-18-2003, 05:35 PM
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Re: 94 YJ getting a TJ 4 cyl

I don't understand your problem. You can swap whatever you need from your old block/head to attach to your current fuel managment system. It may include your current intake and exhaust manifold. For that matter you need only the block from the other engine (but I woudl think that the newer head would be what you would want).

The bolt pattern is identical. Some of the accessories may be in different places ..but that should be solved by using your old accessory brackets.. I don't think that you'll encounter anything that can't be easily overcome with extending a wire or two.
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post #8 of (permalink) Old 10-20-2003, 11:53 AM
 
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Re: 94 YJ getting a TJ 4 cyl

2003 TJ changed to 2.4L DOHC 4cyl from Chrysler in favor of the 2.5L pushrod 4cyl that was leftover from AMC days.

Also changed the transmission too... but I can't remember what the new model is



mostly everything said is good information.

find a good donor.
swap what you need so it will fit your '94
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post #9 of (permalink) Old 10-20-2003, 07:23 PM
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Re: 94 YJ getting a TJ 4 cyl

Hope this helps

What this means is up to a 95 cherokee and 98 TJ will fit W/O opening a can of worms. (hassle so to speak)
This does not mean that the newer ones won't bolt up, they will, but there are more things to consider than standard bolt in stuff. Basically.......this means the general public can handle this swap.
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