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Old 06-29-2012, 12:30 AM   #1
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Tj v8 swap help

Am looking in to swapping my 2.5 tj to a small block Chevy what kind of major troubles am I going to run in to... I am wanting to but the trams out of a 4.0 jeep in mine will they bolt up the same or what will I have to change they will both are 5 speeds and I just wanting to get the adapter kit to go on that trans any help would be greatly appreciated

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Old 06-29-2012, 05:55 AM   #2
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OK guys (and girls) I'll start! first advice don't do it! second advice do you have a donor vehicle with every thing you need sans the adapters? Third do you have a barrel full of cash? if so buy a TJ with a 4.0 and be happy! Ok so your still not convinced! You'll need engine, tranny, transfer case, drive shafts, gauges, are you going FI or carbed? Another option is to stay Mopar and drop in the whole 5.9? (360) from a dakota or durango engine, tranny, transfer case complete. but before you start dig up a old issue of JP magazine where they did this swap and they even went to the experts for computer wiring issues!and by the way if you don't already get JP magazine get it now. They've covered this to death in the last couple of years. my 2 Cents

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Old 06-29-2012, 09:58 AM   #3
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Read up on some of the swaps on here, Jeepforum, pirate4x4, etc.

Always more work than you'd think.
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Old 06-29-2012, 10:14 AM   #5
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The only gm swap worth doing anymore is a ls swap. The older 5.7 engines don't really have any benefit over a magnum v8 and the swap will cost twice as much. I have about $700.00 out of pocket into my magnum v8 swap and couldn't be happier with the outcome.
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Old 06-29-2012, 10:15 AM   #6
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Don't forget if you run all chebby junk in your Jeep you'll also be looking at swapping axles, as the rear end is junk and the front end has the wrong diff drop
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Old 06-29-2012, 04:01 PM   #7
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Yeah think about swapping that weak pair of Dana axles (30 and 35) If you haven't. They will be shredded with a 350 small block haha

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